<http://webisa.webdatacommons.org/prov/351574862>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/447911856> .
<http://webisa.webdatacommons.org/447911856>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/447911856>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<merinews.com> .
<http://webisa.webdatacommons.org/447911856>	<http://www.w3.org/ns/prov#value>	"In the United States, president is the most powerful constitutional authority." .