<http://webisa.webdatacommons.org/228737560>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stanford.edu> .
<http://webisa.webdatacommons.org/prov/516174914>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/228737560> .
<http://webisa.webdatacommons.org/228737560>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/228737560>	<http://www.w3.org/ns/prov#value>	"that b is an ancestor of c and d, and that" .