<http://webisa.webdatacommons.org/312018510>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/229944635>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/312018510> .
<http://webisa.webdatacommons.org/312018510>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<massmind.org> .
<http://webisa.webdatacommons.org/312018510>	<http://www.w3.org/ns/prov#value>	"air, water or other heating?" .