<http://webisa.webdatacommons.org/prov/328479887>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149974118> .
<http://webisa.webdatacommons.org/149974118>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/149974118>	<http://www.w3.org/ns/prov#value>	"Activities such as obtaining food and sex stimulate the pleasure centres of the brain." .
<http://webisa.webdatacommons.org/prov/455334746>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149974118> .
<http://webisa.webdatacommons.org/149974118>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nationalpost.com> .