<http://webisa.webdatacommons.org/211919306>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/398915552>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/211919306> .
<http://webisa.webdatacommons.org/211919306>	<http://www.w3.org/ns/prov#value>	"The other option was a system that uses ultraviolet light to kill any microorganisms that could be in the water." .
<http://webisa.webdatacommons.org/211919306>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<opb.org> .