Assertion: hydrocarbon | /r/HasProperty | obtained
Facets:
value: from fossil fuels
type: OTHER
Source sentences:
text: Once various hydrocarbons are obtained from cracking, they are chemically processed to make hydrocarbon monomers and other carbon monomers (like styrene, vinyl chloride, acrylonitrile) used in plastics.
text: Hydrocarbons are obtained primarily from fossil fuels—especially petroleum and natural gas.