<http://webisa.webdatacommons.org/143338389>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/143338389>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<supertopo.com> .
<http://webisa.webdatacommons.org/prov/478513502>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/143338389> .
<http://webisa.webdatacommons.org/143338389>	<http://www.w3.org/ns/prov#value>	"Indeed, a simple pulley would have allow 2-men walking down to drag 1 up (they are factors such as friction, you know)." .