<http://webisa.webdatacommons.org/prov/369442701>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/394525221> .
<http://webisa.webdatacommons.org/394525221>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/394525221>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bbc.co.uk> .
<http://webisa.webdatacommons.org/prov/131025607>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/394525221> .
<http://webisa.webdatacommons.org/394525221>	<http://www.w3.org/ns/prov#value>	"Levels A and B are the most appropriate levels of difficulty for the students." .