<http://webisa.webdatacommons.org/prov/102988744>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/210950133> .
<http://webisa.webdatacommons.org/210950133>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/210950133>	<http://www.w3.org/ns/prov#value>	"Compounds such as carbon monoxide, benzene, nitrogen oxides and unburned hydrocarbons react with sunlight to form ground-level ozone." .
<http://webisa.webdatacommons.org/210950133>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<winnipegfreepress.com> .