<http://webisa.webdatacommons.org/170682223>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/170682223>	<http://www.w3.org/ns/prov#value>	"There are the natural materials, such as leaves, pine needles and straw." .
<http://webisa.webdatacommons.org/prov/457873961>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/170682223> .
<http://webisa.webdatacommons.org/170682223>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sooperarticles.com> .