<http://webisa.webdatacommons.org/391521407>	<http://www.w3.org/ns/prov#value>	"As noted above, some people have tried to trace the origin of language itself to them.A language is a symbol system." .
<http://webisa.webdatacommons.org/391521407>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/391521407>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<britannica.com> .
<http://webisa.webdatacommons.org/prov/483170318>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/391521407> .