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<http://webisa.webdatacommons.org/prov/198651181>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/292904589> .
<http://webisa.webdatacommons.org/292904589>	<http://www.w3.org/ns/prov#value>	"Vice President Joe Biden made another gaffe on Thursday, telling Harvard students that China is a part of North America." .