<http://webisa.webdatacommons.org/prov/290924287>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/212716750> .
<http://webisa.webdatacommons.org/212716750>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/212716750>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<teachat.com> .
<http://webisa.webdatacommons.org/212716750>	<http://www.w3.org/ns/prov#value>	"I remember reading that the milk was sort of an economical necessity for the lower classes." .