<http://webisa.webdatacommons.org/380183838>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/380183838>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<informer.com> .
<http://webisa.webdatacommons.org/prov/414511209>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/380183838> .
<http://webisa.webdatacommons.org/380183838>	<http://www.w3.org/ns/prov#value>	"Mathematics is a difficult but interesting topic among all subjects." .