<http://webisa.webdatacommons.org/358806953>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<kuer.org> .
<http://webisa.webdatacommons.org/prov/281512707>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/358806953> .
<http://webisa.webdatacommons.org/358806953>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/358806953>	<http://www.w3.org/ns/prov#value>	"But gas is different: Unlike oil and other commodities, natural gas is expensive and difficult to export." .