<http://webisa.webdatacommons.org/339372219>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ctheory.net> .
<http://webisa.webdatacommons.org/prov/331099885>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/339372219> .
<http://webisa.webdatacommons.org/339372219>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/339372219>	<http://www.w3.org/ns/prov#value>	"Oil is a non-renewable natural resource." .