<http://webisa.webdatacommons.org/203978965>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/508722010>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/203978965> .
<http://webisa.webdatacommons.org/prov/274389911>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/203978965> .
<http://webisa.webdatacommons.org/203978965>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ethw.org> .
<http://webisa.webdatacommons.org/203978965>	<http://www.w3.org/ns/prov#value>	"The teacher was a very old man and didn't let students do experiments." .