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    <label xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer" xlink:type="arc"/>
    <loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers" xlink:type="locator"/>
    <label xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</label>
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    <loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_IcfrAuditorAttestationFlag" xlink:label="loc_dei_IcfrAuditorAttestationFlag" xlink:type="locator"/>
    <label xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</label>
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    <loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat" xlink:type="locator"/>
    <label xlink:label="lab_dei_EntityPublicFloat" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Public Float</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Table]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="lab_us-gaap_StatementLineItems" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</label>
    <label xlink:label="lab_us-gaap_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="lab_us-gaap_AssetsAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AssetsCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current [Abstract]</label>
    <label xlink:label="lab_us-gaap_AssetsCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current assets:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrentAbstract" xlink:to="lab_us-gaap_AssetsCurrentAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</label>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash</label>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash - beginning of the period</label>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash - ending of the period</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="loc_us-gaap_PrepaidExpenseCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PrepaidExpenseCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepaid Expense, Current</label>
    <label xlink:label="lab_us-gaap_PrepaidExpenseCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepaid expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpenseCurrent" xlink:to="lab_us-gaap_PrepaidExpenseCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current</label>
    <label xlink:label="lab_us-gaap_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="lab_us-gaap_AssetsCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsHeldInTrustNoncurrent" xlink:label="loc_us-gaap_AssetsHeldInTrustNoncurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AssetsHeldInTrustNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Held-in-trust, Noncurrent</label>
    <label xlink:label="lab_us-gaap_AssetsHeldInTrustNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments held in Trust Account</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsHeldInTrustNoncurrent" xlink:to="lab_us-gaap_AssetsHeldInTrustNoncurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</label>
    <label xlink:label="lab_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets" xlink:to="lab_us-gaap_Assets" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity [Abstract]</label>
    <label xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities and Shareholders' Equity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current [Abstract]</label>
    <label xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current liabilities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccountsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable, Current</label>
    <label xlink:label="lab_us-gaap_AccountsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrent" xlink:to="lab_us-gaap_AccountsPayableCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Liabilities, Current</label>
    <label xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:to="lab_us-gaap_AccruedLiabilitiesCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DueToRelatedPartiesCurrent" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DueToRelatedPartiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due to Related Parties, Current</label>
    <label xlink:label="lab_us-gaap_DueToRelatedPartiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due to&#xA0;related party</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueToRelatedPartiesCurrent" xlink:to="lab_us-gaap_DueToRelatedPartiesCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current</label>
    <label xlink:label="lab_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent" xlink:to="lab_us-gaap_LiabilitiesCurrent" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_DeferredUnderwritingCommissionsPayableNonCurrent" xlink:label="loc_piai_DeferredUnderwritingCommissionsPayableNonCurrent" xlink:type="locator"/>
    <label xlink:label="lab_piai_DeferredUnderwritingCommissionsPayableNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Underwriting Commissions Payable Non Current</label>
    <label xlink:label="lab_piai_DeferredUnderwritingCommissionsPayableNonCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred underwriting commissions</label>
    <label xlink:label="lab_piai_DeferredUnderwritingCommissionsPayableNonCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred underwriting commission payable non current</label>
    <label xlink:label="lab_piai_DeferredUnderwritingCommissionsPayableNonCurrent" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Deferred underwriting commission non current</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_DeferredUnderwritingCommissionsPayableNonCurrent" xlink:to="lab_piai_DeferredUnderwritingCommissionsPayableNonCurrent" xlink:type="arc"/>
    <label xlink:label="lab_piai_DeferredUnderwritingCommissionsPayableNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred underwriting commissions payable non current.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</label>
    <label xlink:label="lab_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities" xlink:to="lab_us-gaap_Liabilities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</label>
    <label xlink:label="lab_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies (Note 6)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies" xlink:to="lab_us-gaap_CommitmentsAndContingencies" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</label>
    <label xlink:label="lab_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shareholders' Equity:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="lab_us-gaap_StockholdersEquityAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PreferredStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Value, Issued</label>
    <label xlink:label="lab_us-gaap_PreferredStockValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preference shares, $0.0001 par value; 1,000,000 shares authorized; none issued and outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue" xlink:to="lab_us-gaap_PreferredStockValue" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Value, Issued</label>
    <label xlink:label="lab_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue" xlink:to="lab_us-gaap_CommonStockValue" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AdditionalPaidInCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid in Capital</label>
    <label xlink:label="lab_us-gaap_AdditionalPaidInCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional&#xA0;paid-in&#xA0;capital</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapital" xlink:to="lab_us-gaap_AdditionalPaidInCapital" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="locator"/>
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    <label xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accumulated deficit</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity</label>
    <label xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Liabilities and Shareholders' Equity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:type="locator"/>
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    <label xlink:label="lab_us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class A ordinary shares; 30,909,174 shares subject to possible redemption at $10.00 per share</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</label>
    <label xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock par or stated value per share</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PreferredStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Authorized</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PreferredStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Issued</label>
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    <label xlink:label="lab_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Outstanding</label>
    <label xlink:label="lab_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock shares outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesOutstanding" xlink:to="lab_us-gaap_PreferredStockSharesOutstanding" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</label>
    <label xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock par or stated value per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares Authorized</label>
    <label xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock shares authorized</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized" xlink:to="lab_us-gaap_CommonStockSharesAuthorized" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Issued</label>
    <label xlink:label="lab_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock shares issued</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued" xlink:to="lab_us-gaap_CommonStockSharesIssued" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</label>
    <label xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock shares outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding" xlink:to="lab_us-gaap_CommonStockSharesOutstanding" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_TemporaryEquitySharesSubjectToPossibleRedemption" xlink:label="loc_piai_TemporaryEquitySharesSubjectToPossibleRedemption" xlink:type="locator"/>
    <label xlink:label="lab_piai_TemporaryEquitySharesSubjectToPossibleRedemption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Equity Shares Subject To Possible Redemption</label>
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    <label xlink:label="lab_piai_TemporaryEquitySharesSubjectToPossibleRedemption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary equity shares subject to possible redemption.</label>
    <loc xlink:href="piai-20201231.xsd#piai_CommonStockSharesSubjectToPossibleRedemption" xlink:label="loc_piai_CommonStockSharesSubjectToPossibleRedemption" xlink:type="locator"/>
    <label xlink:label="lab_piai_CommonStockSharesSubjectToPossibleRedemption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Shares Subject To Possible Redemption</label>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_CommonStockSharesSubjectToPossibleRedemption" xlink:to="lab_piai_CommonStockSharesSubjectToPossibleRedemption" xlink:type="arc"/>
    <label xlink:label="lab_piai_CommonStockSharesSubjectToPossibleRedemption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common stock, shares subject to possible redemption.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SubsidiarySaleOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock [Axis]</label>
    <label xlink:label="lab_us-gaap_SubsidiarySaleOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of Stock [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis" xlink:to="lab_us-gaap_SubsidiarySaleOfStockAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock [Domain]</label>
    <label xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of Stock [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_SubsequentEventTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeAxis" xlink:to="lab_us-gaap_SubsequentEventTypeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SubsequentEventTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Domain]</label>
    <label xlink:label="lab_us-gaap_SubsequentEventTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeDomain" xlink:to="lab_us-gaap_SubsequentEventTypeDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement [Abstract]</label>
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    <label xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General and Administrative Expense</label>
    <label xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General and administrative expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense" xlink:to="lab_us-gaap_GeneralAndAdministrativeExpense" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_CostsAndExpensesRelatedParty" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Administrative expenses - related party</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpensesRelatedParty" xlink:to="lab_us-gaap_CostsAndExpensesRelatedParty" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_InvestmentIncomeInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Income, Interest</label>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentIncomeInterest" xlink:to="lab_us-gaap_InvestmentIncomeInterest" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="loc_us-gaap_GainLossOnInvestments" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_GainLossOnInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Investments</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Parent</label>
    <label xlink:label="lab_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net loss</label>
    <label xlink:label="lab_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net loss</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss" xlink:to="lab_us-gaap_NetIncomeLoss" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic and Diluted</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average ordinary shares outstanding, basic and diluted</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:to="lab_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EarningsPerShareBasicAndDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic and Diluted</label>
    <label xlink:label="lab_us-gaap_EarningsPerShareBasicAndDiluted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic and diluted net loss per ordinary share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDiluted" xlink:to="lab_us-gaap_EarningsPerShareBasicAndDiluted" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="loc_us-gaap_OverAllotmentOptionMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OverAllotmentOptionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Over-Allotment Option [Member]</label>
    <label xlink:label="lab_us-gaap_OverAllotmentOptionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Over-Allotment Option [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OverAllotmentOptionMember" xlink:to="lab_us-gaap_OverAllotmentOptionMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares, Common Stock Subject to Repurchase or Cancellation</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Ordinary shares subject to forfeiture</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Issued, Shares, Share-based Payment Arrangement, Forfeited</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ordinary shares forfeited</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Forfeiture of Class B ordinary shares by Sponsor, Shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Axis]</label>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Domain]</label>
    <label xlink:label="lab_us-gaap_RelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyDomain" xlink:to="lab_us-gaap_RelatedPartyDomain" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_PrimeImpactCaymanLlcMember" xlink:label="loc_piai_PrimeImpactCaymanLlcMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_PrimeImpactCaymanLlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prime Impact Cayman LLC [Member]</label>
    <label xlink:label="lab_piai_PrimeImpactCaymanLlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prime Impact Cayman LLC [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PrimeImpactCaymanLlcMember" xlink:to="lab_piai_PrimeImpactCaymanLlcMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_PrimeImpactCaymanLlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Prime impact cayman LLC.</label>
    <loc xlink:href="piai-20201231.xsd#piai_SharesSubcategoryAxis" xlink:label="loc_piai_SharesSubcategoryAxis" xlink:type="locator"/>
    <label xlink:label="lab_piai_SharesSubcategoryAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Subcategory [Axis]</label>
    <label xlink:label="lab_piai_SharesSubcategoryAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares Subcategory [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_SharesSubcategoryAxis" xlink:to="lab_piai_SharesSubcategoryAxis" xlink:type="arc"/>
    <label xlink:label="lab_piai_SharesSubcategoryAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares subcategory [Axis].</label>
    <loc xlink:href="piai-20201231.xsd#piai_SharesSubcategoryDomain" xlink:label="loc_piai_SharesSubcategoryDomain" xlink:type="locator"/>
    <label xlink:label="lab_piai_SharesSubcategoryDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Subcategory [Domain]</label>
    <label xlink:label="lab_piai_SharesSubcategoryDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares Subcategory [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_SharesSubcategoryDomain" xlink:to="lab_piai_SharesSubcategoryDomain" xlink:type="arc"/>
    <label xlink:label="lab_piai_SharesSubcategoryDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares subcategory.</label>
    <loc xlink:href="piai-20201231.xsd#piai_FounderSharesMember" xlink:label="loc_piai_FounderSharesMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_FounderSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Founder Shares [Member]</label>
    <label xlink:label="lab_piai_FounderSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Founder Shares [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_FounderSharesMember" xlink:to="lab_piai_FounderSharesMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_FounderSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Founder shares.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital [Member]</label>
    <label xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:to="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</label>
    <label xlink:label="lab_us-gaap_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsMember" xlink:to="lab_us-gaap_RetainedEarningsMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</label>
    <label xlink:label="lab_us-gaap_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ordinary Shares [Member]</label>
    <label xlink:label="lab_us-gaap_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockMember" xlink:to="lab_us-gaap_CommonStockMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaap_SharesOutstanding" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares, Outstanding</label>
    <label xlink:label="lab_us-gaap_SharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning Balance, Shares</label>
    <label xlink:label="lab_us-gaap_SharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance, Shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesOutstanding" xlink:to="lab_us-gaap_SharesOutstanding" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Issued for Services</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of Class&#xA0;B ordinary shares to Sponsor</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock shares issued during the period value for services rendered</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Issued for Services</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of Class&#xA0;B ordinary shares to Sponsor, Shares</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock shares issued during the period shares for services rendered</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, New Issues</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of units in initial public offering, gross</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of units in initial public offering, gross, Shares</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock shares issued during the period during new issues shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs</label>
    <label xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Offering costs</label>
    <label xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to additional paid in capital stock issuance costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:to="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Additional Paid in Capital, Warrant Issued</label>
    <label xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of private placement warrants to Sponsor</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:to="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityOther" xlink:label="loc_us-gaap_StockholdersEquityOther" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockholdersEquityOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity, Other</label>
    <label xlink:label="lab_us-gaap_StockholdersEquityOther" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Shares subject to possible redemption</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityOther" xlink:to="lab_us-gaap_StockholdersEquityOther" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityOtherShares" xlink:label="loc_us-gaap_StockholdersEquityOtherShares" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockholdersEquityOtherShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity, Other Shares</label>
    <label xlink:label="lab_us-gaap_StockholdersEquityOtherShares" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Shares subject to possible redemption, Shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityOtherShares" xlink:to="lab_us-gaap_StockholdersEquityOtherShares" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Issued, Value, Share-based Payment Arrangement, Forfeited</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Forfeiture of Class B ordinary shares by Sponsor</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows from Operating Activities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile net loss to net cash used in operating activities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:label="loc_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance of Stock and Warrants for Services or Claims</label>
    <label xlink:label="lab_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General and administrative expenses paid by Sponsor in exchange for issuance of Class&#xA0;B ordinary shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:to="lab_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_GeneralAndAdministrativeExpensesPaidInKindThroughIssueOfNotesPayable" xlink:label="loc_piai_GeneralAndAdministrativeExpensesPaidInKindThroughIssueOfNotesPayable" xlink:type="locator"/>
    <label xlink:label="lab_piai_GeneralAndAdministrativeExpensesPaidInKindThroughIssueOfNotesPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General And Administrative Expenses Paid In Kind Through Issue Of Notes Payable</label>
    <label xlink:label="lab_piai_GeneralAndAdministrativeExpensesPaidInKindThroughIssueOfNotesPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General and administrative expenses paid by Sponsor under note payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_GeneralAndAdministrativeExpensesPaidInKindThroughIssueOfNotesPayable" xlink:to="lab_piai_GeneralAndAdministrativeExpensesPaidInKindThroughIssueOfNotesPayable" xlink:type="arc"/>
    <label xlink:label="lab_piai_GeneralAndAdministrativeExpensesPaidInKindThroughIssueOfNotesPayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">General and administrative expenses paid in kind through issue of notes payable.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in operating assets and liabilities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Prepaid Expense</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Prepaid expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:to="lab_us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Payable</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accrued Liabilities</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInDueToRelatedParties" xlink:label="loc_us-gaap_IncreaseDecreaseInDueToRelatedParties" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInDueToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Due to Related Parties</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInDueToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due to related party</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInDueToRelatedParties" xlink:to="lab_us-gaap_IncreaseDecreaseInDueToRelatedParties" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in operating activities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows from Investing Activities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireRestrictedInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireRestrictedInvestments" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PaymentsToAcquireRestrictedInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Restricted Investments</label>
    <label xlink:label="lab_us-gaap_PaymentsToAcquireRestrictedInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Cash deposited in Trust Account</label>
    <label xlink:label="lab_us-gaap_PaymentsToAcquireRestrictedInvestments" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Payments towards restricted investments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireRestrictedInvestments" xlink:to="lab_us-gaap_PaymentsToAcquireRestrictedInvestments" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in investing activities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Flows from Financing Activities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfRelatedPartyDebt" xlink:label="loc_us-gaap_RepaymentsOfRelatedPartyDebt" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RepaymentsOfRelatedPartyDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Related Party Debt</label>
    <label xlink:label="lab_us-gaap_RepaymentsOfRelatedPartyDebt" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayment of note payable to Sponsor</label>
    <label xlink:label="lab_us-gaap_RepaymentsOfRelatedPartyDebt" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Repayment of related party debt</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfRelatedPartyDebt" xlink:to="lab_us-gaap_RepaymentsOfRelatedPartyDebt" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:label="loc_us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance Initial Public Offering</label>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds received from initial public offering, gross</label>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from initial public offer</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:to="lab_us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfWarrants" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfWarrants" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Warrants</label>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds received from private placement</label>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfWarrants" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issue of warrants</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfWarrants" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfWarrants" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfStockIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Stock Issuance Costs</label>
    <label xlink:label="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Offering costs paid</label>
    <label xlink:label="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Payment of stock issuance costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfStockIssuanceCosts" xlink:to="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by financing activities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromNotesPayable" xlink:label="loc_us-gaap_ProceedsFromNotesPayable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProceedsFromNotesPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Notes Payable</label>
    <label xlink:label="lab_us-gaap_ProceedsFromNotesPayable" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loan proceeds received from note payable to sponsor</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromNotesPayable" xlink:to="lab_us-gaap_ProceedsFromNotesPayable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect</label>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net increase in cash</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SupplementalCashFlowElementsAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowElementsAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SupplementalCashFlowElementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Elements [Abstract]</label>
    <label xlink:label="lab_us-gaap_SupplementalCashFlowElementsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosure of noncash investing and financing activities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalCashFlowElementsAbstract" xlink:to="lab_us-gaap_SupplementalCashFlowElementsAbstract" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_OfferingCostsIncludedInAccountsPayable" xlink:label="loc_piai_OfferingCostsIncludedInAccountsPayable" xlink:type="locator"/>
    <label xlink:label="lab_piai_OfferingCostsIncludedInAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Offering Costs Included In Accounts Payable</label>
    <label xlink:label="lab_piai_OfferingCostsIncludedInAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Offering costs included in accounts payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_OfferingCostsIncludedInAccountsPayable" xlink:to="lab_piai_OfferingCostsIncludedInAccountsPayable" xlink:type="arc"/>
    <label xlink:label="lab_piai_OfferingCostsIncludedInAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Offering costs included in accounts payable.</label>
    <loc xlink:href="piai-20201231.xsd#piai_OfferingCostsIncludedInAccruedExpenses" xlink:label="loc_piai_OfferingCostsIncludedInAccruedExpenses" xlink:type="locator"/>
    <label xlink:label="lab_piai_OfferingCostsIncludedInAccruedExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Offering Costs Included In Accrued Expenses</label>
    <label xlink:label="lab_piai_OfferingCostsIncludedInAccruedExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Offering costs included in accrued expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_OfferingCostsIncludedInAccruedExpenses" xlink:to="lab_piai_OfferingCostsIncludedInAccruedExpenses" xlink:type="arc"/>
    <label xlink:label="lab_piai_OfferingCostsIncludedInAccruedExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Offering costs included in accrued expenses.</label>
    <loc xlink:href="piai-20201231.xsd#piai_NoncashDeferredUnderwritingCommissions" xlink:label="loc_piai_NoncashDeferredUnderwritingCommissions" xlink:type="locator"/>
    <label xlink:label="lab_piai_NoncashDeferredUnderwritingCommissions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncash Deferred Underwriting Commissions</label>
    <label xlink:label="lab_piai_NoncashDeferredUnderwritingCommissions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred underwriting commissions</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_NoncashDeferredUnderwritingCommissions" xlink:to="lab_piai_NoncashDeferredUnderwritingCommissions" xlink:type="arc"/>
    <label xlink:label="lab_piai_NoncashDeferredUnderwritingCommissions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-cash deferred underwriting commissions.</label>
    <loc xlink:href="piai-20201231.xsd#piai_InitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:label="loc_piai_InitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:type="locator"/>
    <label xlink:label="lab_piai_InitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Initial Value Of Ordinary Shares Subject To Possible Redemption</label>
    <label xlink:label="lab_piai_InitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Initial value of Class&#xA0;A ordinary shares subject to possible redemption</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_InitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:to="lab_piai_InitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:type="arc"/>
    <label xlink:label="lab_piai_InitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Initial value of ordinary shares subject to possible redemption.</label>
    <loc xlink:href="piai-20201231.xsd#piai_ChangeInInitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:label="loc_piai_ChangeInInitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:type="locator"/>
    <label xlink:label="lab_piai_ChangeInInitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Initial Value Of Ordinary Shares Subject To Possible Redemption</label>
    <label xlink:label="lab_piai_ChangeInInitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in initial value of Class&#xA0;A ordinary shares subject to possible redemption</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_ChangeInInitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:to="lab_piai_ChangeInInitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:type="arc"/>
    <label xlink:label="lab_piai_ChangeInInitialValueOfOrdinarySharesSubjectToPossibleRedemption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in initial value of ordinary shares subject to possible redemption.</label>
    <loc xlink:href="piai-20201231.xsd#piai_OfferingCostsPaidThroughNotePayableToSponsor" xlink:label="loc_piai_OfferingCostsPaidThroughNotePayableToSponsor" xlink:type="locator"/>
    <label xlink:label="lab_piai_OfferingCostsPaidThroughNotePayableToSponsor" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Offering Costs Paid Through Note Payable To Sponsor</label>
    <label xlink:label="lab_piai_OfferingCostsPaidThroughNotePayableToSponsor" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Offering costs paid through note payable to sponsor</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_OfferingCostsPaidThroughNotePayableToSponsor" xlink:to="lab_piai_OfferingCostsPaidThroughNotePayableToSponsor" xlink:type="arc"/>
    <label xlink:label="lab_piai_OfferingCostsPaidThroughNotePayableToSponsor" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Offering costs paid through note payable to sponsor.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]</label>
    <label xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description of Organization and Business Operations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Policies [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingPoliciesAbstract" xlink:to="lab_us-gaap_AccountingPoliciesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Text Block]</label>
    <label xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="lab_us-gaap_SignificantAccountingPoliciesTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityAbstract" xlink:to="lab_us-gaap_EquityAbstract" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_InitialPublicOfferTextBlock" xlink:label="loc_piai_InitialPublicOfferTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_piai_InitialPublicOfferTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Initial Public Offer [Text Block]</label>
    <label xlink:label="lab_piai_InitialPublicOfferTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Initial Public Offering</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_InitialPublicOfferTextBlock" xlink:to="lab_piai_InitialPublicOfferTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_piai_InitialPublicOfferTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Initial public offer [Text block].</label>
    <loc xlink:href="piai-20201231.xsd#piai_PrivatePlacementTextBlock" xlink:label="loc_piai_PrivatePlacementTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_piai_PrivatePlacementTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Placement [Text Block]</label>
    <label xlink:label="lab_piai_PrivatePlacementTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private Placement</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PrivatePlacementTextBlock" xlink:to="lab_piai_PrivatePlacementTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_piai_PrivatePlacementTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Private placement [Text block].</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transactions [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract" xlink:to="lab_us-gaap_RelatedPartyTransactionsAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transactions Disclosure [Text Block]</label>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transactions</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:to="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Text Block]</label>
    <label xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments&#xA0;and Contingencies</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockholdersEquityNoteAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Note [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract" xlink:to="lab_us-gaap_StockholdersEquityNoteAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Note Disclosure [Text Block]</label>
    <label xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shareholders' Equity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract" xlink:to="lab_us-gaap_FairValueDisclosuresAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Text Block]</label>
    <label xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurements</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresTextBlock" xlink:to="lab_us-gaap_FairValueDisclosuresTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SubsequentEventsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsAbstract" xlink:to="lab_us-gaap_SubsequentEventsAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SubsequentEventsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events [Text Block]</label>
    <label xlink:label="lab_us-gaap_SubsequentEventsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Events</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsTextBlock" xlink:to="lab_us-gaap_SubsequentEventsTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_UseOfEstimates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_UseOfEstimates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Use of Estimates</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UseOfEstimates" xlink:to="lab_us-gaap_UseOfEstimates" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:label="loc_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments&#xA0;Held in Trust Account</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:to="lab_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="loc_us-gaap_ConcentrationRiskCreditRisk" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ConcentrationRiskCreditRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk, Credit Risk, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_ConcentrationRiskCreditRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration of Credit Risk</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskCreditRisk" xlink:to="lab_us-gaap_ConcentrationRiskCreditRisk" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_OfferingCostsAssociatedWithInitialPublicOfferingPolicyTextBlock" xlink:label="loc_piai_OfferingCostsAssociatedWithInitialPublicOfferingPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_piai_OfferingCostsAssociatedWithInitialPublicOfferingPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Offering Costs Associated With Initial Public Offering [Policy Text Block]</label>
    <label xlink:label="lab_piai_OfferingCostsAssociatedWithInitialPublicOfferingPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Offering Costs Associated with the Initial Public Offering</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_OfferingCostsAssociatedWithInitialPublicOfferingPolicyTextBlock" xlink:to="lab_piai_OfferingCostsAssociatedWithInitialPublicOfferingPolicyTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_piai_OfferingCostsAssociatedWithInitialPublicOfferingPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Offering costs associated with initial public offering [Policy text block].</label>
    <loc xlink:href="piai-20201231.xsd#piai_TemporaryEquityPolicyTextBlock" xlink:label="loc_piai_TemporaryEquityPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_piai_TemporaryEquityPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Equity [Policy Text Block]</label>
    <label xlink:label="lab_piai_TemporaryEquityPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class&#xA0;A Ordinary Shares Subject to Possible Redemption</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_TemporaryEquityPolicyTextBlock" xlink:to="lab_piai_TemporaryEquityPolicyTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_piai_TemporaryEquityPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary equity [Policy text block].</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Per Ordinary Share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerSharePolicyTextBlock" xlink:to="lab_us-gaap_EarningsPerSharePolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncements, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recent Accounting Pronouncements</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:label="loc_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurement, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurement</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:to="lab_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_BasicOfPresentationPolicyTextBlock" xlink:label="loc_piai_BasicOfPresentationPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_piai_BasicOfPresentationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic Of Presentation [Policy Text Block]</label>
    <label xlink:label="lab_piai_BasicOfPresentationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic of presentation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_BasicOfPresentationPolicyTextBlock" xlink:to="lab_piai_BasicOfPresentationPolicyTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_piai_BasicOfPresentationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basic of presentation.</label>
    <loc xlink:href="piai-20201231.xsd#piai_EmergingGrowthCompanyPolicyTextBlock" xlink:label="loc_piai_EmergingGrowthCompanyPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_piai_EmergingGrowthCompanyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Emerging Growth Company [Policy Text Block]</label>
    <label xlink:label="lab_piai_EmergingGrowthCompanyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Emerging growth company</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_EmergingGrowthCompanyPolicyTextBlock" xlink:to="lab_piai_EmergingGrowthCompanyPolicyTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_piai_EmergingGrowthCompanyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Emerging growth company.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis [Table Text Block]</label>
    <label xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Assets that are Measured at Fair Value on a Recurring Basis</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:to="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesTable" xlink:label="loc_piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesTable" xlink:type="locator"/>
    <label xlink:label="lab_piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organisation Consolidation And Presentation Of Financial Statements And Significant Accounting Policies [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesTable" xlink:to="lab_piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesTable" xlink:type="arc"/>
    <label xlink:label="lab_piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Organisation consolidation and presentation of financial statements and significant accounting policies [Table].</label>
    <loc xlink:href="piai-20201231.xsd#piai_PrivatePlacementWarrantsMember" xlink:label="loc_piai_PrivatePlacementWarrantsMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_PrivatePlacementWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Placement Warrants [Member]</label>
    <label xlink:label="lab_piai_PrivatePlacementWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private Placement Warrants [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PrivatePlacementWarrantsMember" xlink:to="lab_piai_PrivatePlacementWarrantsMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_PrivatePlacementWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Private placement warrants.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IPOMember" xlink:label="loc_us-gaap_IPOMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IPOMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IPO [Member]</label>
    <label xlink:label="lab_us-gaap_IPOMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IPO [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IPOMember" xlink:to="lab_us-gaap_IPOMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrivatePlacementMember" xlink:label="loc_us-gaap_PrivatePlacementMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Placement [Member]</label>
    <label xlink:label="lab_us-gaap_PrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private Placement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrivatePlacementMember" xlink:to="lab_us-gaap_PrivatePlacementMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis" xlink:type="locator"/>
    <label xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</label>
    <label xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeAxis" xlink:to="lab_srt_RangeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember" xlink:type="locator"/>
    <label xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</label>
    <label xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember" xlink:to="lab_srt_RangeMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember" xlink:type="locator"/>
    <label xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</label>
    <label xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember" xlink:to="lab_srt_MaximumMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember" xlink:type="locator"/>
    <label xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</label>
    <label xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember" xlink:to="lab_srt_MinimumMember" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesLineItems" xlink:label="loc_piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesLineItems" xlink:type="locator"/>
    <label xlink:label="lab_piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organisation Consolidation And Presentation Of Financial Statements And Significant Accounting Policies [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesLineItems" xlink:to="lab_piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesLineItems" xlink:type="arc"/>
    <label xlink:label="lab_piai_OrganisationConsolidationAndPresentationOfFinancialStatementsAndSignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Organisation consolidation and presentation of financial statements and significant accounting policies [Line items].</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="loc_us-gaap_SaleOfStockPricePerShare" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SaleOfStockPricePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock, Price Per Share</label>
    <label xlink:label="lab_us-gaap_SaleOfStockPricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of stock issue price per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockPricePerShare" xlink:to="lab_us-gaap_SaleOfStockPricePerShare" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_NumberOfDaysGrantedToUnderwritersToSubscribeSharesPursuantToOverallotmentOption" xlink:label="loc_piai_NumberOfDaysGrantedToUnderwritersToSubscribeSharesPursuantToOverallotmentOption" xlink:type="locator"/>
    <label xlink:label="lab_piai_NumberOfDaysGrantedToUnderwritersToSubscribeSharesPursuantToOverallotmentOption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Days Granted To Underwriters To Subscribe Shares Pursuant To Overallotment Option</label>
    <label xlink:label="lab_piai_NumberOfDaysGrantedToUnderwritersToSubscribeSharesPursuantToOverallotmentOption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of days granted to underwriters to subscribe to over-Allotment option</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_NumberOfDaysGrantedToUnderwritersToSubscribeSharesPursuantToOverallotmentOption" xlink:to="lab_piai_NumberOfDaysGrantedToUnderwritersToSubscribeSharesPursuantToOverallotmentOption" xlink:type="arc"/>
    <label xlink:label="lab_piai_NumberOfDaysGrantedToUnderwritersToSubscribeSharesPursuantToOverallotmentOption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of days granted to underwriters to subscribe shares pursuant to overallotment option.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesSubscribedButUnissued" xlink:label="loc_us-gaap_CommonStockSharesSubscribedButUnissued" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockSharesSubscribedButUnissued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares Subscribed but Unissued</label>
    <label xlink:label="lab_us-gaap_CommonStockSharesSubscribedButUnissued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock shares issuable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesSubscribedButUnissued" xlink:to="lab_us-gaap_CommonStockSharesSubscribedButUnissued" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Common Stock</label>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issuance of common stock</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees" xlink:label="loc_us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense Related to Distribution or Servicing and Underwriting Fees</label>
    <label xlink:label="lab_us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Underwriting expenses</label>
    <label xlink:label="lab_us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Underwriting discount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees" xlink:to="lab_us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_ClassOfWarrantsOrRightsNumberOfWarrantsIssuedDuringThePeriod" xlink:label="loc_piai_ClassOfWarrantsOrRightsNumberOfWarrantsIssuedDuringThePeriod" xlink:type="locator"/>
    <label xlink:label="lab_piai_ClassOfWarrantsOrRightsNumberOfWarrantsIssuedDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class Of Warrants Or Rights Number Of Warrants Issued During The Period</label>
    <label xlink:label="lab_piai_ClassOfWarrantsOrRightsNumberOfWarrantsIssuedDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of warrants or rights number of warrants issued during the period</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_ClassOfWarrantsOrRightsNumberOfWarrantsIssuedDuringThePeriod" xlink:to="lab_piai_ClassOfWarrantsOrRightsNumberOfWarrantsIssuedDuringThePeriod" xlink:type="arc"/>
    <label xlink:label="lab_piai_ClassOfWarrantsOrRightsNumberOfWarrantsIssuedDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Class of warrants or rights number of warrants issued during the period.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Exercise Price of Warrants or Rights</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of warrants or rights exercise price per unit of warrant</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Warrants exercise price</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_ClassOfWarrantsOrRightsIssuePricePerUnitOfWarrant" xlink:label="loc_piai_ClassOfWarrantsOrRightsIssuePricePerUnitOfWarrant" xlink:type="locator"/>
    <label xlink:label="lab_piai_ClassOfWarrantsOrRightsIssuePricePerUnitOfWarrant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class Of Warrants Or Rights Issue Price Per Unit Of Warrant</label>
    <label xlink:label="lab_piai_ClassOfWarrantsOrRightsIssuePricePerUnitOfWarrant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of warrants or rights issue price per unit of warrant</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_ClassOfWarrantsOrRightsIssuePricePerUnitOfWarrant" xlink:to="lab_piai_ClassOfWarrantsOrRightsIssuePricePerUnitOfWarrant" xlink:type="arc"/>
    <label xlink:label="lab_piai_ClassOfWarrantsOrRightsIssuePricePerUnitOfWarrant" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Class of warrants or rights issue price per unit of warrant.</label>
    <loc xlink:href="piai-20201231.xsd#piai_TermOfRestrictedInvestments" xlink:label="loc_piai_TermOfRestrictedInvestments" xlink:type="locator"/>
    <label xlink:label="lab_piai_TermOfRestrictedInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term Of Restricted Investments</label>
    <label xlink:label="lab_piai_TermOfRestrictedInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term of restricted investments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_TermOfRestrictedInvestments" xlink:to="lab_piai_TermOfRestrictedInvestments" xlink:type="arc"/>
    <label xlink:label="lab_piai_TermOfRestrictedInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Term of restricted investments.</label>
    <loc xlink:href="piai-20201231.xsd#piai_PercentageOfNetAssetsInTheTrustAccountOfTheProspectiveAcquirerExcludingTaxesAndDeferredUnderwritingExpenses" xlink:label="loc_piai_PercentageOfNetAssetsInTheTrustAccountOfTheProspectiveAcquirerExcludingTaxesAndDeferredUnderwritingExpenses" xlink:type="locator"/>
    <label xlink:label="lab_piai_PercentageOfNetAssetsInTheTrustAccountOfTheProspectiveAcquirerExcludingTaxesAndDeferredUnderwritingExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Net Assets In The Trust Account Of The Prospective Acquirer Excluding Taxes And Deferred Underwriting Expenses</label>
    <label xlink:label="lab_piai_PercentageOfNetAssetsInTheTrustAccountOfTheProspectiveAcquirerExcludingTaxesAndDeferredUnderwritingExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of the net assets in the trust account of the prospective acquirer excluding taxes and deferred underwriting expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PercentageOfNetAssetsInTheTrustAccountOfTheProspectiveAcquirerExcludingTaxesAndDeferredUnderwritingExpenses" xlink:to="lab_piai_PercentageOfNetAssetsInTheTrustAccountOfTheProspectiveAcquirerExcludingTaxesAndDeferredUnderwritingExpenses" xlink:type="arc"/>
    <label xlink:label="lab_piai_PercentageOfNetAssetsInTheTrustAccountOfTheProspectiveAcquirerExcludingTaxesAndDeferredUnderwritingExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of net assets in the trust account of the prospective acquirer excluding taxes and deferred underwriting expenses.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Ownership Percentage</label>
    <label xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity method investment ownership percentage</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:to="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinimumNetWorthRequiredForCompliance" xlink:label="loc_us-gaap_MinimumNetWorthRequiredForCompliance" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_MinimumNetWorthRequiredForCompliance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Net Worth Required for Compliance</label>
    <label xlink:label="lab_us-gaap_MinimumNetWorthRequiredForCompliance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum net worth needed post business combination</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinimumNetWorthRequiredForCompliance" xlink:to="lab_us-gaap_MinimumNetWorthRequiredForCompliance" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_PercentageOfThePublicShareholdingThatCanBeTransferredWithoutRestriction" xlink:label="loc_piai_PercentageOfThePublicShareholdingThatCanBeTransferredWithoutRestriction" xlink:type="locator"/>
    <label xlink:label="lab_piai_PercentageOfThePublicShareholdingThatCanBeTransferredWithoutRestriction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of The Public Shareholding That Can Be Transferred Without Restriction</label>
    <label xlink:label="lab_piai_PercentageOfThePublicShareholdingThatCanBeTransferredWithoutRestriction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of the public shareholding that can be transferred without restriction</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PercentageOfThePublicShareholdingThatCanBeTransferredWithoutRestriction" xlink:to="lab_piai_PercentageOfThePublicShareholdingThatCanBeTransferredWithoutRestriction" xlink:type="arc"/>
    <label xlink:label="lab_piai_PercentageOfThePublicShareholdingThatCanBeTransferredWithoutRestriction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of the public shareholding that can be transferred without restriction</label>
    <loc xlink:href="piai-20201231.xsd#piai_PercentageOfThePublicShareholdingToBeRedeemedInCaseOfNonOccurrenceOfBusinessCombination" xlink:label="loc_piai_PercentageOfThePublicShareholdingToBeRedeemedInCaseOfNonOccurrenceOfBusinessCombination" xlink:type="locator"/>
    <label xlink:label="lab_piai_PercentageOfThePublicShareholdingToBeRedeemedInCaseOfNonOccurrenceOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of The Public Shareholding To Be Redeemed In Case Of Non Occurrence Of Business Combination</label>
    <label xlink:label="lab_piai_PercentageOfThePublicShareholdingToBeRedeemedInCaseOfNonOccurrenceOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of public shareholding due to be redeemed in case of non occurrence of business combination</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PercentageOfThePublicShareholdingToBeRedeemedInCaseOfNonOccurrenceOfBusinessCombination" xlink:to="lab_piai_PercentageOfThePublicShareholdingToBeRedeemedInCaseOfNonOccurrenceOfBusinessCombination" xlink:type="arc"/>
    <label xlink:label="lab_piai_PercentageOfThePublicShareholdingToBeRedeemedInCaseOfNonOccurrenceOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of the public shareholding to be redeemed in case of non occurrence of business combination.</label>
    <loc xlink:href="piai-20201231.xsd#piai_TimeNeededForConsummationOfBusinessCombination" xlink:label="loc_piai_TimeNeededForConsummationOfBusinessCombination" xlink:type="locator"/>
    <label xlink:label="lab_piai_TimeNeededForConsummationOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time Needed For Consummation Of Business Combination</label>
    <label xlink:label="lab_piai_TimeNeededForConsummationOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time needed for consummation of business combination</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_TimeNeededForConsummationOfBusinessCombination" xlink:to="lab_piai_TimeNeededForConsummationOfBusinessCombination" xlink:type="arc"/>
    <label xlink:label="lab_piai_TimeNeededForConsummationOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Time needed for consummation of business combination.</label>
    <loc xlink:href="piai-20201231.xsd#piai_DueDateForCompletionOfBusinessCombination" xlink:label="loc_piai_DueDateForCompletionOfBusinessCombination" xlink:type="locator"/>
    <label xlink:label="lab_piai_DueDateForCompletionOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due Date For Completion Of Business Combination</label>
    <label xlink:label="lab_piai_DueDateForCompletionOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due date for completion of business combination</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_DueDateForCompletionOfBusinessCombination" xlink:to="lab_piai_DueDateForCompletionOfBusinessCombination" xlink:type="arc"/>
    <label xlink:label="lab_piai_DueDateForCompletionOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due date for completion of business combination.</label>
    <loc xlink:href="piai-20201231.xsd#piai_NumberOfDaysAfterTheDueDateForCompletionOfBusinessCombinationWithinWhichPublicSharesShallBeRedeemed" xlink:label="loc_piai_NumberOfDaysAfterTheDueDateForCompletionOfBusinessCombinationWithinWhichPublicSharesShallBeRedeemed" xlink:type="locator"/>
    <label xlink:label="lab_piai_NumberOfDaysAfterTheDueDateForCompletionOfBusinessCombinationWithinWhichPublicSharesShallBeRedeemed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Days After The Due Date For Completion Of Business Combination Within Which Public Shares Shall Be Redeemed</label>
    <label xlink:label="lab_piai_NumberOfDaysAfterTheDueDateForCompletionOfBusinessCombinationWithinWhichPublicSharesShallBeRedeemed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of days after the due date for completion of business combination within which public shares shall be redeemed</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_NumberOfDaysAfterTheDueDateForCompletionOfBusinessCombinationWithinWhichPublicSharesShallBeRedeemed" xlink:to="lab_piai_NumberOfDaysAfterTheDueDateForCompletionOfBusinessCombinationWithinWhichPublicSharesShallBeRedeemed" xlink:type="arc"/>
    <label xlink:label="lab_piai_NumberOfDaysAfterTheDueDateForCompletionOfBusinessCombinationWithinWhichPublicSharesShallBeRedeemed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of days after the due date for completion of business combination within which public shares shall be redeemed.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiquidationBasisOfAccountingAccruedCostsToDisposeOfAssetsAndLiabilities" xlink:label="loc_us-gaap_LiquidationBasisOfAccountingAccruedCostsToDisposeOfAssetsAndLiabilities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiquidationBasisOfAccountingAccruedCostsToDisposeOfAssetsAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liquidation Basis of Accounting, Accrued Costs to Dispose of Assets and Liabilities</label>
    <label xlink:label="lab_us-gaap_LiquidationBasisOfAccountingAccruedCostsToDisposeOfAssetsAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated expenses payable on liquidation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiquidationBasisOfAccountingAccruedCostsToDisposeOfAssetsAndLiabilities" xlink:to="lab_us-gaap_LiquidationBasisOfAccountingAccruedCostsToDisposeOfAssetsAndLiabilities" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_PerShareAmountToBeMaintainedInTheTrustAccountForTheRedemptionOfPublicShares" xlink:label="loc_piai_PerShareAmountToBeMaintainedInTheTrustAccountForTheRedemptionOfPublicShares" xlink:type="locator"/>
    <label xlink:label="lab_piai_PerShareAmountToBeMaintainedInTheTrustAccountForTheRedemptionOfPublicShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Per Share Amount To Be Maintained In The Trust Account For The Redemption Of Public Shares</label>
    <label xlink:label="lab_piai_PerShareAmountToBeMaintainedInTheTrustAccountForTheRedemptionOfPublicShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Per share amount to be maintained in the trust account for redemption of public shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PerShareAmountToBeMaintainedInTheTrustAccountForTheRedemptionOfPublicShares" xlink:to="lab_piai_PerShareAmountToBeMaintainedInTheTrustAccountForTheRedemptionOfPublicShares" xlink:type="arc"/>
    <label xlink:label="lab_piai_PerShareAmountToBeMaintainedInTheTrustAccountForTheRedemptionOfPublicShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Per share amount to be maintained in the trust account for the redemption of public shares.</label>
    <loc xlink:href="piai-20201231.xsd#piai_NetWorkingCapital" xlink:label="loc_piai_NetWorkingCapital" xlink:type="locator"/>
    <label xlink:label="lab_piai_NetWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Working Capital</label>
    <label xlink:label="lab_piai_NetWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net working capital</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_NetWorkingCapital" xlink:to="lab_piai_NetWorkingCapital" xlink:type="arc"/>
    <label xlink:label="lab_piai_NetWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net working capital.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Cash" xlink:label="loc_us-gaap_Cash" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_Cash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash</label>
    <label xlink:label="lab_us-gaap_Cash" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash available in the operating bank account</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Cash" xlink:to="lab_us-gaap_Cash" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromRelatedPartyDebt" xlink:label="loc_us-gaap_ProceedsFromRelatedPartyDebt" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProceedsFromRelatedPartyDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Related Party Debt</label>
    <label xlink:label="lab_us-gaap_ProceedsFromRelatedPartyDebt" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from related party debt</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromRelatedPartyDebt" xlink:to="lab_us-gaap_ProceedsFromRelatedPartyDebt" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BankOverdrafts" xlink:label="loc_us-gaap_BankOverdrafts" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BankOverdrafts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Overdrafts</label>
    <label xlink:label="lab_us-gaap_BankOverdrafts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Working capital loan outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BankOverdrafts" xlink:to="lab_us-gaap_BankOverdrafts" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Axis]</label>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis" xlink:to="lab_us-gaap_RelatedPartyTransactionAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionDomain" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Domain]</label>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain" xlink:to="lab_us-gaap_RelatedPartyTransactionDomain" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_RelatedPartyNoteTrancheOneMember" xlink:label="loc_piai_RelatedPartyNoteTrancheOneMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_RelatedPartyNoteTrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Note Tranche One [Member]</label>
    <label xlink:label="lab_piai_RelatedPartyNoteTrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Note Tranche One [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_RelatedPartyNoteTrancheOneMember" xlink:to="lab_piai_RelatedPartyNoteTrancheOneMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_RelatedPartyNoteTrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Related party note tranche one.</label>
    <loc xlink:href="piai-20201231.xsd#piai_AccountingPoliciesTable" xlink:label="loc_piai_AccountingPoliciesTable" xlink:type="locator"/>
    <label xlink:label="lab_piai_AccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Policies [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_AccountingPoliciesTable" xlink:to="lab_piai_AccountingPoliciesTable" xlink:type="arc"/>
    <label xlink:label="lab_piai_AccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accounting policies.</label>
    <loc xlink:href="piai-20201231.xsd#piai_InitialPublicOfferAndPrivatePlacementMember" xlink:label="loc_piai_InitialPublicOfferAndPrivatePlacementMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_InitialPublicOfferAndPrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Initial Public Offer And Private Placement [Member]</label>
    <label xlink:label="lab_piai_InitialPublicOfferAndPrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Initial Public Offer And Private Placement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_InitialPublicOfferAndPrivatePlacementMember" xlink:to="lab_piai_InitialPublicOfferAndPrivatePlacementMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_InitialPublicOfferAndPrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Initial public offer and private placement.</label>
    <loc xlink:href="piai-20201231.xsd#piai_AccountingPoliciesLineItems" xlink:label="loc_piai_AccountingPoliciesLineItems" xlink:type="locator"/>
    <label xlink:label="lab_piai_AccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Policies [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_AccountingPoliciesLineItems" xlink:to="lab_piai_AccountingPoliciesLineItems" xlink:type="arc"/>
    <label xlink:label="lab_piai_AccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accounting policies.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashFDICInsuredAmount" xlink:label="loc_us-gaap_CashFDICInsuredAmount" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CashFDICInsuredAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash, FDIC Insured Amount</label>
    <label xlink:label="lab_us-gaap_CashFDICInsuredAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash insured</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFDICInsuredAmount" xlink:to="lab_us-gaap_CashFDICInsuredAmount" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TemporaryEquitySharesOutstanding" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_TemporaryEquitySharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Equity, Shares Outstanding</label>
    <label xlink:label="lab_us-gaap_TemporaryEquitySharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common stock shares subject to possible redemption</label>
    <label xlink:label="lab_us-gaap_TemporaryEquitySharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary equity shares outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TemporaryEquitySharesOutstanding" xlink:to="lab_us-gaap_TemporaryEquitySharesOutstanding" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_UnrecognizedTaxBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits</label>
    <label xlink:label="lab_us-gaap_UnrecognizedTaxBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized income tax benefits</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefits" xlink:to="lab_us-gaap_UnrecognizedTaxBenefits" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued</label>
    <label xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized income tax benefits accrued interest and penalty</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</label>
    <label xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Antidilutive securities excluded from the computation of earnings per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetAssetValuePerShare" xlink:label="loc_us-gaap_NetAssetValuePerShare" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetAssetValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Asset Value Per Share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetAssetValuePerShare" xlink:to="lab_us-gaap_NetAssetValuePerShare" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_InterestEarnedOnMarketableSecuritiesHeldInTrustAccountNetOfTax" xlink:label="loc_piai_InterestEarnedOnMarketableSecuritiesHeldInTrustAccountNetOfTax" xlink:type="locator"/>
    <label xlink:label="lab_piai_InterestEarnedOnMarketableSecuritiesHeldInTrustAccountNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Earned On Marketable Securities Held In Trust Account Net Of Tax</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_InterestEarnedOnMarketableSecuritiesHeldInTrustAccountNetOfTax" xlink:to="lab_piai_InterestEarnedOnMarketableSecuritiesHeldInTrustAccountNetOfTax" xlink:type="arc"/>
    <label xlink:label="lab_piai_InterestEarnedOnMarketableSecuritiesHeldInTrustAccountNetOfTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Earned On Marketable Securities Held In Trust Account Net Of Tax</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock, Number of Shares Issued in Transaction</label>
    <label xlink:label="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares issued</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:to="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable" xlink:label="loc_us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Subsidiary or Equity Method Investee [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable" xlink:to="lab_us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsidiarySaleOfStockLineItems" xlink:label="loc_us-gaap_SubsidiarySaleOfStockLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SubsidiarySaleOfStockLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiary, Sale of Stock [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems" xlink:to="lab_us-gaap_SubsidiarySaleOfStockLineItems" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_PrivatePlacementTable" xlink:label="loc_piai_PrivatePlacementTable" xlink:type="locator"/>
    <label xlink:label="lab_piai_PrivatePlacementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Placement [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PrivatePlacementTable" xlink:to="lab_piai_PrivatePlacementTable" xlink:type="arc"/>
    <label xlink:label="lab_piai_PrivatePlacementTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Private placement.</label>
    <loc xlink:href="piai-20201231.xsd#piai_SponsorsOfficersAndDirectorsMember" xlink:label="loc_piai_SponsorsOfficersAndDirectorsMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_SponsorsOfficersAndDirectorsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sponsors Officers And Directors [Member]</label>
    <label xlink:label="lab_piai_SponsorsOfficersAndDirectorsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sponsors Officers And Directors [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_SponsorsOfficersAndDirectorsMember" xlink:to="lab_piai_SponsorsOfficersAndDirectorsMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_SponsorsOfficersAndDirectorsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sponsors officers and directors.</label>
    <loc xlink:href="piai-20201231.xsd#piai_PrivatePlacementLineItems" xlink:label="loc_piai_PrivatePlacementLineItems" xlink:type="locator"/>
    <label xlink:label="lab_piai_PrivatePlacementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Placement [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PrivatePlacementLineItems" xlink:to="lab_piai_PrivatePlacementLineItems" xlink:type="arc"/>
    <label xlink:label="lab_piai_PrivatePlacementLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Private placement [Line items].</label>
    <loc xlink:href="piai-20201231.xsd#piai_ClassOfWarrantsOrRightsLockInPeriodPostBusinessCombination" xlink:label="loc_piai_ClassOfWarrantsOrRightsLockInPeriodPostBusinessCombination" xlink:type="locator"/>
    <label xlink:label="lab_piai_ClassOfWarrantsOrRightsLockInPeriodPostBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class Of Warrants Or Rights Lock In Period Post Business Combination</label>
    <label xlink:label="lab_piai_ClassOfWarrantsOrRightsLockInPeriodPostBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of warrants or rights lock in period post business combination</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_ClassOfWarrantsOrRightsLockInPeriodPostBusinessCombination" xlink:to="lab_piai_ClassOfWarrantsOrRightsLockInPeriodPostBusinessCombination" xlink:type="arc"/>
    <label xlink:label="lab_piai_ClassOfWarrantsOrRightsLockInPeriodPostBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Class of warrants or rights lock in period post business combination.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_EventAxis" xlink:label="loc_piai_EventAxis" xlink:type="locator"/>
    <label xlink:label="lab_piai_EventAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Event [Axis]</label>
    <label xlink:label="lab_piai_EventAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Event [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_EventAxis" xlink:to="lab_piai_EventAxis" xlink:type="arc"/>
    <label xlink:label="lab_piai_EventAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Event [Axis].</label>
    <loc xlink:href="piai-20201231.xsd#piai_EventDomain" xlink:label="loc_piai_EventDomain" xlink:type="locator"/>
    <label xlink:label="lab_piai_EventDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Event [Domain]</label>
    <label xlink:label="lab_piai_EventDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Event [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_EventDomain" xlink:to="lab_piai_EventDomain" xlink:type="arc"/>
    <label xlink:label="lab_piai_EventDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Event.</label>
    <loc xlink:href="piai-20201231.xsd#piai_ConditionForTransferOfFounderSharesPostBusinessCombinationMember" xlink:label="loc_piai_ConditionForTransferOfFounderSharesPostBusinessCombinationMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_ConditionForTransferOfFounderSharesPostBusinessCombinationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Condition For Transfer Of Founder Shares Post Business Combination [Member]</label>
    <label xlink:label="lab_piai_ConditionForTransferOfFounderSharesPostBusinessCombinationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Condition For Transfer Of Founder Shares Post Business Combination [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_ConditionForTransferOfFounderSharesPostBusinessCombinationMember" xlink:to="lab_piai_ConditionForTransferOfFounderSharesPostBusinessCombinationMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_ConditionForTransferOfFounderSharesPostBusinessCombinationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Condition for transfer of founder shares post business combination.</label>
    <loc xlink:href="piai-20201231.xsd#piai_RestrictionOfShareTransferByFoundersPostBusinessCombinationMember" xlink:label="loc_piai_RestrictionOfShareTransferByFoundersPostBusinessCombinationMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_RestrictionOfShareTransferByFoundersPostBusinessCombinationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restriction Of Share Transfer By Founders Post Business Combination [Member]</label>
    <label xlink:label="lab_piai_RestrictionOfShareTransferByFoundersPostBusinessCombinationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restriction Of Share Transfer By Founders Post Business Combination [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_RestrictionOfShareTransferByFoundersPostBusinessCombinationMember" xlink:to="lab_piai_RestrictionOfShareTransferByFoundersPostBusinessCombinationMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_RestrictionOfShareTransferByFoundersPostBusinessCombinationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restriction of share transfer by founders post business combination.</label>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementScenarioAxis" xlink:label="loc_srt_StatementScenarioAxis" xlink:type="locator"/>
    <label xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</label>
    <label xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementScenarioAxis" xlink:to="lab_srt_StatementScenarioAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioUnspecifiedDomain" xlink:label="loc_srt_ScenarioUnspecifiedDomain" xlink:type="locator"/>
    <label xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario [Domain]</label>
    <label xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScenarioUnspecifiedDomain" xlink:to="lab_srt_ScenarioUnspecifiedDomain" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_ConditionForDuesPayableToRelatedPartyAxis" xlink:label="loc_piai_ConditionForDuesPayableToRelatedPartyAxis" xlink:type="locator"/>
    <label xlink:label="lab_piai_ConditionForDuesPayableToRelatedPartyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Condition For Dues Payable To Related Party [Axis]</label>
    <label xlink:label="lab_piai_ConditionForDuesPayableToRelatedPartyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Condition For Dues Payable To Related Party [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_ConditionForDuesPayableToRelatedPartyAxis" xlink:to="lab_piai_ConditionForDuesPayableToRelatedPartyAxis" xlink:type="arc"/>
    <label xlink:label="lab_piai_ConditionForDuesPayableToRelatedPartyAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Condition for dues payable to related party [Axis].</label>
    <loc xlink:href="piai-20201231.xsd#piai_ConditionForDuesPayableToRelatedPartyDomain" xlink:label="loc_piai_ConditionForDuesPayableToRelatedPartyDomain" xlink:type="locator"/>
    <label xlink:label="lab_piai_ConditionForDuesPayableToRelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Condition For Dues Payable To Related Party [Domain]</label>
    <label xlink:label="lab_piai_ConditionForDuesPayableToRelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Condition For Dues Payable To Related Party [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_ConditionForDuesPayableToRelatedPartyDomain" xlink:to="lab_piai_ConditionForDuesPayableToRelatedPartyDomain" xlink:type="arc"/>
    <label xlink:label="lab_piai_ConditionForDuesPayableToRelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Condition for dues payable to related party.</label>
    <loc xlink:href="piai-20201231.xsd#piai_SecuritiesToBeListedEitherAtTheTimeOfBusinessCombinationOrLiquidationMember" xlink:label="loc_piai_SecuritiesToBeListedEitherAtTheTimeOfBusinessCombinationOrLiquidationMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_SecuritiesToBeListedEitherAtTheTimeOfBusinessCombinationOrLiquidationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securities To Be Listed Either At The Time Of Business Combination Or Liquidation [Member]</label>
    <label xlink:label="lab_piai_SecuritiesToBeListedEitherAtTheTimeOfBusinessCombinationOrLiquidationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities To Be Listed Either At The Time Of Business Combination Or Liquidation [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_SecuritiesToBeListedEitherAtTheTimeOfBusinessCombinationOrLiquidationMember" xlink:to="lab_piai_SecuritiesToBeListedEitherAtTheTimeOfBusinessCombinationOrLiquidationMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_SecuritiesToBeListedEitherAtTheTimeOfBusinessCombinationOrLiquidationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Securities to be listed either at the time of business combination or liquidation.</label>
    <loc xlink:href="piai-20201231.xsd#piai_WorkingCapitalLoanConvertibleIntoWarrantsMember" xlink:label="loc_piai_WorkingCapitalLoanConvertibleIntoWarrantsMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_WorkingCapitalLoanConvertibleIntoWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Working Capital Loan Convertible Into Warrants [Member]</label>
    <label xlink:label="lab_piai_WorkingCapitalLoanConvertibleIntoWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Working Capital Loan Convertible Into Warrants [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_WorkingCapitalLoanConvertibleIntoWarrantsMember" xlink:to="lab_piai_WorkingCapitalLoanConvertibleIntoWarrantsMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_WorkingCapitalLoanConvertibleIntoWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Working capital loan convertible into warrants.</label>
    <loc xlink:href="piai-20201231.xsd#piai_AdministrativeServicesAgreementMember" xlink:label="loc_piai_AdministrativeServicesAgreementMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_AdministrativeServicesAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Administrative Services Agreement [Member]</label>
    <label xlink:label="lab_piai_AdministrativeServicesAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Administrative Services Agreement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_AdministrativeServicesAgreementMember" xlink:to="lab_piai_AdministrativeServicesAgreementMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_AdministrativeServicesAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Administrative services agreement.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems" xlink:to="lab_us-gaap_RelatedPartyTransactionLineItems" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_WeightedAverageNumberOfSharesGrossAmountToForfeitureCommonStock" xlink:label="loc_piai_WeightedAverageNumberOfSharesGrossAmountToForfeitureCommonStock" xlink:type="locator"/>
    <label xlink:label="lab_piai_WeightedAverageNumberOfSharesGrossAmountToForfeitureCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number Of Shares Gross Amount to forfeiture Common Stock</label>
    <label xlink:label="lab_piai_WeightedAverageNumberOfSharesGrossAmountToForfeitureCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock shares subject to forfeiture</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_WeightedAverageNumberOfSharesGrossAmountToForfeitureCommonStock" xlink:to="lab_piai_WeightedAverageNumberOfSharesGrossAmountToForfeitureCommonStock" xlink:type="arc"/>
    <label xlink:label="lab_piai_WeightedAverageNumberOfSharesGrossAmountToForfeitureCommonStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted average number of shares gross amount to forfeiture common stock.</label>
    <loc xlink:href="piai-20201231.xsd#piai_PercentageOfShareholding" xlink:label="loc_piai_PercentageOfShareholding" xlink:type="locator"/>
    <label xlink:label="lab_piai_PercentageOfShareholding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Shareholding</label>
    <label xlink:label="lab_piai_PercentageOfShareholding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of shareholding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PercentageOfShareholding" xlink:to="lab_piai_PercentageOfShareholding" xlink:type="arc"/>
    <label xlink:label="lab_piai_PercentageOfShareholding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of shareholding.</label>
    <loc xlink:href="piai-20201231.xsd#piai_CommonStockSharesTransferredAndNotSubjectToForfeiture" xlink:label="loc_piai_CommonStockSharesTransferredAndNotSubjectToForfeiture" xlink:type="locator"/>
    <label xlink:label="lab_piai_CommonStockSharesTransferredAndNotSubjectToForfeiture" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Shares Transferred And Not Subject To Forfeiture</label>
    <label xlink:label="lab_piai_CommonStockSharesTransferredAndNotSubjectToForfeiture" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock shares transferred and not subject to forfeiture</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_CommonStockSharesTransferredAndNotSubjectToForfeiture" xlink:to="lab_piai_CommonStockSharesTransferredAndNotSubjectToForfeiture" xlink:type="arc"/>
    <label xlink:label="lab_piai_CommonStockSharesTransferredAndNotSubjectToForfeiture" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common stock shares transferred and not subject to forfeiture.</label>
    <loc xlink:href="piai-20201231.xsd#piai_PeriodForWhichTheSharesShallNotBeTransferredPostBusinessCombination" xlink:label="loc_piai_PeriodForWhichTheSharesShallNotBeTransferredPostBusinessCombination" xlink:type="locator"/>
    <label xlink:label="lab_piai_PeriodForWhichTheSharesShallNotBeTransferredPostBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Period For Which The Shares Shall Not Be Transferred Post Business Combination</label>
    <label xlink:label="lab_piai_PeriodForWhichTheSharesShallNotBeTransferredPostBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period for which the shares shall not be transferred</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PeriodForWhichTheSharesShallNotBeTransferredPostBusinessCombination" xlink:to="lab_piai_PeriodForWhichTheSharesShallNotBeTransferredPostBusinessCombination" xlink:type="arc"/>
    <label xlink:label="lab_piai_PeriodForWhichTheSharesShallNotBeTransferredPostBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Period for which the shares shall not be transferred post business combination.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaap_SharePrice" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SharePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Price</label>
    <label xlink:label="lab_us-gaap_SharePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share price</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharePrice" xlink:to="lab_us-gaap_SharePrice" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_NumberOfConsecutiveTradingDaysAfterDeterminingTheSharePrice" xlink:label="loc_piai_NumberOfConsecutiveTradingDaysAfterDeterminingTheSharePrice" xlink:type="locator"/>
    <label xlink:label="lab_piai_NumberOfConsecutiveTradingDaysAfterDeterminingTheSharePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Consecutive Trading Days After Determining The Share Price</label>
    <label xlink:label="lab_piai_NumberOfConsecutiveTradingDaysAfterDeterminingTheSharePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of consecutive trading days for determining share price</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_NumberOfConsecutiveTradingDaysAfterDeterminingTheSharePrice" xlink:to="lab_piai_NumberOfConsecutiveTradingDaysAfterDeterminingTheSharePrice" xlink:type="arc"/>
    <label xlink:label="lab_piai_NumberOfConsecutiveTradingDaysAfterDeterminingTheSharePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of consecutive trading days after determining the share price.</label>
    <loc xlink:href="piai-20201231.xsd#piai_NumberOfTradingDays" xlink:label="loc_piai_NumberOfTradingDays" xlink:type="locator"/>
    <label xlink:label="lab_piai_NumberOfTradingDays" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Trading Days</label>
    <label xlink:label="lab_piai_NumberOfTradingDays" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of trading days</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_NumberOfTradingDays" xlink:to="lab_piai_NumberOfTradingDays" xlink:type="arc"/>
    <label xlink:label="lab_piai_NumberOfTradingDays" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of trading days.</label>
    <loc xlink:href="piai-20201231.xsd#piai_NumberOfDaysNeededAfterTheConsummationOfBusinessCombination" xlink:label="loc_piai_NumberOfDaysNeededAfterTheConsummationOfBusinessCombination" xlink:type="locator"/>
    <label xlink:label="lab_piai_NumberOfDaysNeededAfterTheConsummationOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Days Needed After The Consummation Of Business Combination</label>
    <label xlink:label="lab_piai_NumberOfDaysNeededAfterTheConsummationOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of days needed after the consummation of business combination</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_NumberOfDaysNeededAfterTheConsummationOfBusinessCombination" xlink:to="lab_piai_NumberOfDaysNeededAfterTheConsummationOfBusinessCombination" xlink:type="arc"/>
    <label xlink:label="lab_piai_NumberOfDaysNeededAfterTheConsummationOfBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of days needed after the consummation of business combination.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Face Amount</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument face value</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentFaceAmount" xlink:to="lab_us-gaap_DebtInstrumentFaceAmount" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_NumberOfWarrantsToBeRepurchased" xlink:label="loc_piai_NumberOfWarrantsToBeRepurchased" xlink:type="locator"/>
    <label xlink:label="lab_piai_NumberOfWarrantsToBeRepurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Warrants To Be Repurchased</label>
    <label xlink:label="lab_piai_NumberOfWarrantsToBeRepurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of warrants to be repurchased</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_NumberOfWarrantsToBeRepurchased" xlink:to="lab_piai_NumberOfWarrantsToBeRepurchased" xlink:type="arc"/>
    <label xlink:label="lab_piai_NumberOfWarrantsToBeRepurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of warrants to be repurchased.</label>
    <loc xlink:href="piai-20201231.xsd#piai_WorkingCapitalLoanConvertibleIntoWarrants" xlink:label="loc_piai_WorkingCapitalLoanConvertibleIntoWarrants" xlink:type="locator"/>
    <label xlink:label="lab_piai_WorkingCapitalLoanConvertibleIntoWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Working Capital Loan Convertible Into Warrants</label>
    <label xlink:label="lab_piai_WorkingCapitalLoanConvertibleIntoWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Working capital loan convertible into warrants post business combination</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_WorkingCapitalLoanConvertibleIntoWarrants" xlink:to="lab_piai_WorkingCapitalLoanConvertibleIntoWarrants" xlink:type="arc"/>
    <label xlink:label="lab_piai_WorkingCapitalLoanConvertibleIntoWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Working capital loan convertible into warrants.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Conversion Price</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Working capital loan convertible into warrants conversion price per warrant</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:to="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xlink:label="loc_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party</label>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related party transaction administration and related expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xlink:to="lab_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_RelatedPartyTransactionAmountPrefundedBySponsor" xlink:label="loc_piai_RelatedPartyTransactionAmountPrefundedBySponsor" xlink:type="locator"/>
    <label xlink:label="lab_piai_RelatedPartyTransactionAmountPrefundedBySponsor" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction Amount Prefunded by Sponsor</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_RelatedPartyTransactionAmountPrefundedBySponsor" xlink:to="lab_piai_RelatedPartyTransactionAmountPrefundedBySponsor" xlink:type="arc"/>
    <label xlink:label="lab_piai_RelatedPartyTransactionAmountPrefundedBySponsor" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Related party trandsactions amount prefunded by sponsor</label>
    <loc xlink:href="piai-20201231.xsd#piai_CathleenBenkoMember" xlink:label="loc_piai_CathleenBenkoMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_CathleenBenkoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cathleen Benko [Member]</label>
    <label xlink:label="lab_piai_CathleenBenkoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cathleen Benko [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_CathleenBenkoMember" xlink:to="lab_piai_CathleenBenkoMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_CathleenBenkoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cathleen Benko.</label>
    <loc xlink:href="piai-20201231.xsd#piai_RogerCrockettMember" xlink:label="loc_piai_RogerCrockettMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_RogerCrockettMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Roger Crockett [Member]</label>
    <label xlink:label="lab_piai_RogerCrockettMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Roger Crockett [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_RogerCrockettMember" xlink:to="lab_piai_RogerCrockettMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_RogerCrockettMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Roger Crockett.</label>
    <loc xlink:href="piai-20201231.xsd#piai_DixonDollMember" xlink:label="loc_piai_DixonDollMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_DixonDollMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dixon Doll [Member]</label>
    <label xlink:label="lab_piai_DixonDollMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dixon Doll [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_DixonDollMember" xlink:to="lab_piai_DixonDollMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_DixonDollMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Dixon Doll.</label>
    <loc xlink:href="piai-20201231.xsd#piai_KeyurPatelMember" xlink:label="loc_piai_KeyurPatelMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_KeyurPatelMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Keyur Patel [Member]</label>
    <label xlink:label="lab_piai_KeyurPatelMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Keyur Patel [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_KeyurPatelMember" xlink:to="lab_piai_KeyurPatelMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_KeyurPatelMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Keyur Patel.</label>
    <loc xlink:href="piai-20201231.xsd#piai_JoannaStroberMember" xlink:label="loc_piai_JoannaStroberMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_JoannaStroberMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Joanna Strober [Member]</label>
    <label xlink:label="lab_piai_JoannaStroberMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Joanna Strober [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_JoannaStroberMember" xlink:to="lab_piai_JoannaStroberMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_JoannaStroberMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Joanna Strober.</label>
    <loc xlink:href="piai-20201231.xsd#piai_PrimeImpactCaymanLlcAndAffiliatesMember" xlink:label="loc_piai_PrimeImpactCaymanLlcAndAffiliatesMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_PrimeImpactCaymanLlcAndAffiliatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prime Impact Cayman LLC And Affiliates [Member]</label>
    <label xlink:label="lab_piai_PrimeImpactCaymanLlcAndAffiliatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prime Impact Cayman LLC And Affiliates [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PrimeImpactCaymanLlcAndAffiliatesMember" xlink:to="lab_piai_PrimeImpactCaymanLlcAndAffiliatesMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_PrimeImpactCaymanLlcAndAffiliatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Prime impact cayman LLC and affiliates.</label>
    <loc xlink:href="piai-20201231.xsd#piai_SponsorMember" xlink:label="loc_piai_SponsorMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_SponsorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sponsor [Member]</label>
    <label xlink:label="lab_piai_SponsorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sponsor [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_SponsorMember" xlink:to="lab_piai_SponsorMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeStatementLocationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement Location [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementLocationAxis" xlink:to="lab_us-gaap_IncomeStatementLocationAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeStatementLocationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement Location [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementLocationDomain" xlink:to="lab_us-gaap_IncomeStatementLocationDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingExpenseMember" xlink:label="loc_us-gaap_OperatingExpenseMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OperatingExpenseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Expense [Member]</label>
    <label xlink:label="lab_us-gaap_OperatingExpenseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Expense [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpenseMember" xlink:to="lab_us-gaap_OperatingExpenseMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BalanceSheetLocationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationAxis" xlink:to="lab_us-gaap_BalanceSheetLocationAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BalanceSheetLocationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="lab_us-gaap_BalanceSheetLocationDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesMember" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable and Accrued Liabilities [Member]</label>
    <label xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts Payable and Accrued Liabilities [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesMember" xlink:to="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueByLiabilityClassAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability Class [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis" xlink:to="lab_us-gaap_FairValueByLiabilityClassAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value by Liability Class [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:to="lab_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_DueToRelatedPartyMember" xlink:label="loc_piai_DueToRelatedPartyMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_DueToRelatedPartyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due to Related Party [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_DueToRelatedPartyMember" xlink:to="lab_piai_DueToRelatedPartyMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_DueToRelatedPartyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due to related party</label>
    <loc xlink:href="piai-20201231.xsd#piai_CommitmentsAndContingenciesTable" xlink:label="loc_piai_CommitmentsAndContingenciesTable" xlink:type="locator"/>
    <label xlink:label="lab_piai_CommitmentsAndContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments And Contingencies [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_CommitmentsAndContingenciesTable" xlink:to="lab_piai_CommitmentsAndContingenciesTable" xlink:type="arc"/>
    <label xlink:label="lab_piai_CommitmentsAndContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments and contingencies [Table].</label>
    <loc xlink:href="piai-20201231.xsd#piai_AgreementAxis" xlink:label="loc_piai_AgreementAxis" xlink:type="locator"/>
    <label xlink:label="lab_piai_AgreementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agreement [Axis]</label>
    <label xlink:label="lab_piai_AgreementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agreement [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_AgreementAxis" xlink:to="lab_piai_AgreementAxis" xlink:type="arc"/>
    <label xlink:label="lab_piai_AgreementAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Agreement [Axis].</label>
    <loc xlink:href="piai-20201231.xsd#piai_AgreementDomain" xlink:label="loc_piai_AgreementDomain" xlink:type="locator"/>
    <label xlink:label="lab_piai_AgreementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agreement [Domain]</label>
    <label xlink:label="lab_piai_AgreementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agreement [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_AgreementDomain" xlink:to="lab_piai_AgreementDomain" xlink:type="arc"/>
    <label xlink:label="lab_piai_AgreementDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Agreement.</label>
    <loc xlink:href="piai-20201231.xsd#piai_UnderwritingAgreementMember" xlink:label="loc_piai_UnderwritingAgreementMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_UnderwritingAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Underwriting Agreement [Member]</label>
    <label xlink:label="lab_piai_UnderwritingAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Underwriting Agreement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_UnderwritingAgreementMember" xlink:to="lab_piai_UnderwritingAgreementMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_UnderwritingAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Underwriting Agreement.</label>
    <loc xlink:href="piai-20201231.xsd#piai_CommitmentsAndContingenciesLineItems" xlink:label="loc_piai_CommitmentsAndContingenciesLineItems" xlink:type="locator"/>
    <label xlink:label="lab_piai_CommitmentsAndContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments And Contingencies [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_CommitmentsAndContingenciesLineItems" xlink:to="lab_piai_CommitmentsAndContingenciesLineItems" xlink:type="arc"/>
    <label xlink:label="lab_piai_CommitmentsAndContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments and contingencies [Line items].</label>
    <loc xlink:href="piai-20201231.xsd#piai_UnderwritingDiscountPerShare" xlink:label="loc_piai_UnderwritingDiscountPerShare" xlink:type="locator"/>
    <label xlink:label="lab_piai_UnderwritingDiscountPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Underwriting Discount Per Share</label>
    <label xlink:label="lab_piai_UnderwritingDiscountPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Underwriting discount per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_UnderwritingDiscountPerShare" xlink:to="lab_piai_UnderwritingDiscountPerShare" xlink:type="arc"/>
    <label xlink:label="lab_piai_UnderwritingDiscountPerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Underwriting discount per share.</label>
    <loc xlink:href="piai-20201231.xsd#piai_DeferredUnderwritingCommissionPayablePerShare" xlink:label="loc_piai_DeferredUnderwritingCommissionPayablePerShare" xlink:type="locator"/>
    <label xlink:label="lab_piai_DeferredUnderwritingCommissionPayablePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Underwriting Commission Payable Per Share</label>
    <label xlink:label="lab_piai_DeferredUnderwritingCommissionPayablePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred underwriting commission per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_DeferredUnderwritingCommissionPayablePerShare" xlink:to="lab_piai_DeferredUnderwritingCommissionPayablePerShare" xlink:type="arc"/>
    <label xlink:label="lab_piai_DeferredUnderwritingCommissionPayablePerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred underwriting commission payable per share.</label>
    <loc xlink:href="piai-20201231.xsd#piai_UnderwriterFeePayable" xlink:label="loc_piai_UnderwriterFeePayable" xlink:type="locator"/>
    <label xlink:label="lab_piai_UnderwriterFeePayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Underwriter Fee Payable</label>
    <label xlink:label="lab_piai_UnderwriterFeePayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Underwriter fee payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_UnderwriterFeePayable" xlink:to="lab_piai_UnderwriterFeePayable" xlink:type="arc"/>
    <label xlink:label="lab_piai_UnderwriterFeePayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Underwriter fee payable.</label>
    <loc xlink:href="piai-20201231.xsd#piai_AdditionalDeferredUnderwritingCommissionNonCurrent" xlink:label="loc_piai_AdditionalDeferredUnderwritingCommissionNonCurrent" xlink:type="locator"/>
    <label xlink:label="lab_piai_AdditionalDeferredUnderwritingCommissionNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Deferred Underwriting Commission Non Current</label>
    <label xlink:label="lab_piai_AdditionalDeferredUnderwritingCommissionNonCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional deferred underwriting commission non current</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_AdditionalDeferredUnderwritingCommissionNonCurrent" xlink:to="lab_piai_AdditionalDeferredUnderwritingCommissionNonCurrent" xlink:type="arc"/>
    <label xlink:label="lab_piai_AdditionalDeferredUnderwritingCommissionNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional deferred underwriting commission non current.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfStockByClassTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Stock by Class [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable" xlink:to="lab_us-gaap_ScheduleOfStockByClassTable" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_MarketPriceTypeAxis" xlink:label="loc_piai_MarketPriceTypeAxis" xlink:type="locator"/>
    <label xlink:label="lab_piai_MarketPriceTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Price Type [Axis]</label>
    <label xlink:label="lab_piai_MarketPriceTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market Price Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_MarketPriceTypeAxis" xlink:to="lab_piai_MarketPriceTypeAxis" xlink:type="arc"/>
    <label xlink:label="lab_piai_MarketPriceTypeAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market price type [Axis].</label>
    <loc xlink:href="piai-20201231.xsd#piai_MarketPriceTypeDomain" xlink:label="loc_piai_MarketPriceTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_piai_MarketPriceTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Price Type [Domain]</label>
    <label xlink:label="lab_piai_MarketPriceTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market Price Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_MarketPriceTypeDomain" xlink:to="lab_piai_MarketPriceTypeDomain" xlink:type="arc"/>
    <label xlink:label="lab_piai_MarketPriceTypeDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market Price Type.</label>
    <loc xlink:href="piai-20201231.xsd#piai_MarketValueOneMember" xlink:label="loc_piai_MarketValueOneMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_MarketValueOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Value One [Member]</label>
    <label xlink:label="lab_piai_MarketValueOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market Value One [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_MarketValueOneMember" xlink:to="lab_piai_MarketValueOneMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_MarketValueOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market value one.</label>
    <loc xlink:href="piai-20201231.xsd#piai_MarketValueTwoMember" xlink:label="loc_piai_MarketValueTwoMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_MarketValueTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Value Two [Member]</label>
    <label xlink:label="lab_piai_MarketValueTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market Value Two [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_MarketValueTwoMember" xlink:to="lab_piai_MarketValueTwoMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_MarketValueTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market value two.</label>
    <loc xlink:href="piai-20201231.xsd#piai_MarketValueThreeMember" xlink:label="loc_piai_MarketValueThreeMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_MarketValueThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Value Three [Member]</label>
    <label xlink:label="lab_piai_MarketValueThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market Value Three [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_MarketValueThreeMember" xlink:to="lab_piai_MarketValueThreeMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_MarketValueThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market value three.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ClassOfStockLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockLineItems" xlink:to="lab_us-gaap_ClassOfStockLineItems" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_PercentageOfAmountOfConvertibleSharesToBeIssued" xlink:label="loc_piai_PercentageOfAmountOfConvertibleSharesToBeIssued" xlink:type="locator"/>
    <label xlink:label="lab_piai_PercentageOfAmountOfConvertibleSharesToBeIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Amount Of Convertible Shares To Be Issued</label>
    <label xlink:label="lab_piai_PercentageOfAmountOfConvertibleSharesToBeIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of amount of convertible shares to be issued</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PercentageOfAmountOfConvertibleSharesToBeIssued" xlink:to="lab_piai_PercentageOfAmountOfConvertibleSharesToBeIssued" xlink:type="arc"/>
    <label xlink:label="lab_piai_PercentageOfAmountOfConvertibleSharesToBeIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of amount of convertible shares to be issued.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WarrantsAndRightsOutstandingTerm" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingTerm" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_WarrantsAndRightsOutstandingTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants and Rights Outstanding, Term</label>
    <label xlink:label="lab_us-gaap_WarrantsAndRightsOutstandingTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrants and rights outstanding, term</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WarrantsAndRightsOutstandingTerm" xlink:to="lab_us-gaap_WarrantsAndRightsOutstandingTerm" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="loc_us-gaap_SharesIssuedPricePerShare" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SharesIssuedPricePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Issued, Price Per Share</label>
    <label xlink:label="lab_us-gaap_SharesIssuedPricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares issued, price per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesIssuedPricePerShare" xlink:to="lab_us-gaap_SharesIssuedPricePerShare" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_PercentOfGrossProceeds" xlink:label="loc_piai_PercentOfGrossProceeds" xlink:type="locator"/>
    <label xlink:label="lab_piai_PercentOfGrossProceeds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percent Of Gross Proceeds</label>
    <label xlink:label="lab_piai_PercentOfGrossProceeds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percent of gross proceeds</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PercentOfGrossProceeds" xlink:to="lab_piai_PercentOfGrossProceeds" xlink:type="arc"/>
    <label xlink:label="lab_piai_PercentOfGrossProceeds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percent of gross proceeds.</label>
    <loc xlink:href="piai-20201231.xsd#piai_VolumeWeightedAverageTradingPrice" xlink:label="loc_piai_VolumeWeightedAverageTradingPrice" xlink:type="locator"/>
    <label xlink:label="lab_piai_VolumeWeightedAverageTradingPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Volume Weighted Average Trading Price</label>
    <label xlink:label="lab_piai_VolumeWeightedAverageTradingPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Volume-weighted average trading price</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_VolumeWeightedAverageTradingPrice" xlink:to="lab_piai_VolumeWeightedAverageTradingPrice" xlink:type="arc"/>
    <label xlink:label="lab_piai_VolumeWeightedAverageTradingPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Volume-weighted average trading price.</label>
    <loc xlink:href="piai-20201231.xsd#piai_PercentOfRedemptionOfWarrantsAdjustedToMarketValue" xlink:label="loc_piai_PercentOfRedemptionOfWarrantsAdjustedToMarketValue" xlink:type="locator"/>
    <label xlink:label="lab_piai_PercentOfRedemptionOfWarrantsAdjustedToMarketValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percent Of Redemption Of Warrants Adjusted To Market Value</label>
    <label xlink:label="lab_piai_PercentOfRedemptionOfWarrantsAdjustedToMarketValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percent of redemption of warrants adjusted to market value</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PercentOfRedemptionOfWarrantsAdjustedToMarketValue" xlink:to="lab_piai_PercentOfRedemptionOfWarrantsAdjustedToMarketValue" xlink:type="arc"/>
    <label xlink:label="lab_piai_PercentOfRedemptionOfWarrantsAdjustedToMarketValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percent of redemption of warrants adjusted to market value.</label>
    <loc xlink:href="piai-20201231.xsd#piai_RedemptionPricePerWarrant" xlink:label="loc_piai_RedemptionPricePerWarrant" xlink:type="locator"/>
    <label xlink:label="lab_piai_RedemptionPricePerWarrant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Redemption Price Per Warrant</label>
    <label xlink:label="lab_piai_RedemptionPricePerWarrant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption price per warrant</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_RedemptionPricePerWarrant" xlink:to="lab_piai_RedemptionPricePerWarrant" xlink:type="arc"/>
    <label xlink:label="lab_piai_RedemptionPricePerWarrant" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Redemption price per warrant.</label>
    <loc xlink:href="piai-20201231.xsd#piai_RatioOfRedemptionFeaturePerWarrant" xlink:label="loc_piai_RatioOfRedemptionFeaturePerWarrant" xlink:type="locator"/>
    <label xlink:label="lab_piai_RatioOfRedemptionFeaturePerWarrant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ratio Of Redemption Feature Per Warrant</label>
    <label xlink:label="lab_piai_RatioOfRedemptionFeaturePerWarrant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ratio of redemption feature per warrant</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_RatioOfRedemptionFeaturePerWarrant" xlink:to="lab_piai_RatioOfRedemptionFeaturePerWarrant" xlink:type="arc"/>
    <label xlink:label="lab_piai_RatioOfRedemptionFeaturePerWarrant" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ratio of redemption feature per warrant.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfWarrantOrRightOutstanding" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Outstanding</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:to="lab_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:type="arc"/>
    <loc xlink:href="piai-20201231.xsd#piai_PublicWarrantsMember" xlink:label="loc_piai_PublicWarrantsMember" xlink:type="locator"/>
    <label xlink:label="lab_piai_PublicWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Public Warrants [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_PublicWarrantsMember" xlink:to="lab_piai_PublicWarrantsMember" xlink:type="arc"/>
    <label xlink:label="lab_piai_PublicWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Public warrants [Member].</label>
    <loc xlink:href="piai-20201231.xsd#piai_FairValueAssetsMeasuredOnRecurringBasisAbstract" xlink:label="loc_piai_FairValueAssetsMeasuredOnRecurringBasisAbstract" xlink:type="locator"/>
    <label xlink:label="lab_piai_FairValueAssetsMeasuredOnRecurringBasisAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Assets Measured On Recurring Basis [Abstract]</label>
    <label xlink:label="lab_piai_FairValueAssetsMeasuredOnRecurringBasisAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Assets Measured On Recurring Basis [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_FairValueAssetsMeasuredOnRecurringBasisAbstract" xlink:to="lab_piai_FairValueAssetsMeasuredOnRecurringBasisAbstract" xlink:type="arc"/>
    <label xlink:label="lab_piai_FairValueAssetsMeasuredOnRecurringBasisAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value assets measured on recurring basis [abstract].</label>
    <loc xlink:href="piai-20201231.xsd#piai_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:label="loc_piai_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:type="locator"/>
    <label xlink:label="lab_piai_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Assets Measured On Recurring Basis [Table]</label>
    <label xlink:label="lab_piai_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Assets Measured On Recurring Basis [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_piai_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:to="lab_piai_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:type="arc"/>
    <label xlink:label="lab_piai_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value assets measured on recurring basis [table].</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Axis]</label>
    <label xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Domain]</label>
    <label xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</label>
    <label xlink:label="lab_us-gaap_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel1Member" xlink:to="lab_us-gaap_FairValueInputsLevel1Member" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueInputsLevel2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 2 [Member]</label>
    <label xlink:label="lab_us-gaap_FairValueInputsLevel2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 2 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel2Member" xlink:to="lab_us-gaap_FairValueInputsLevel2Member" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueInputsLevel3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</label>
    <label xlink:label="lab_us-gaap_FairValueInputsLevel3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel3Member" xlink:to="lab_us-gaap_FairValueInputsLevel3Member" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Frequency [Axis]</label>
    <label xlink:label="lab_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement Frequency [Axis]</label>
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