<http://webisa.webdatacommons.org/prov/173006754>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/220919329> .
<http://webisa.webdatacommons.org/220919329>	<http://www.w3.org/ns/prov#value>	"Can you tell me how to see whether a food is an acid, or a base?" .
<http://webisa.webdatacommons.org/220919329>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/220919329>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bluffton.edu> .