<http://webisa.webdatacommons.org/prov/142383443> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/199746031> . <http://webisa.webdatacommons.org/199746031> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/199746031> <http://www.w3.org/ns/prov#value> "For example, the Audiolab student function works on reading and listening comprehension; the AudioWrite function concentrates on listening, comprehension and writing skills; while the sound functions concentrates on listening, comprehension, grammatical and other skills." . <http://webisa.webdatacommons.org/199746031> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.com> .