<http://webisa.webdatacommons.org/prov/139744305>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/178443900> .
<http://webisa.webdatacommons.org/178443900>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/178443900>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cnn.com> .
<http://webisa.webdatacommons.org/178443900>	<http://www.w3.org/ns/prov#value>	"That subjects such as physics, chemistry and mathematics are more challenging to learn for the greater portion of people can not be argued against." .
<http://webisa.webdatacommons.org/prov/27949311>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/178443900> .