<http://webisa.webdatacommons.org/125254985>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<grinnell.edu> .
<http://webisa.webdatacommons.org/prov/299118035>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/125254985> .
<http://webisa.webdatacommons.org/125254985>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/125254985>	<http://www.w3.org/ns/prov#value>	"productive capabilities, then overpopulation is a problem." .