Assertion: propane | /r/HasProperty | extracted
Facets:
value: during refinement processes
type: TEMPORAL
value: from natural gas
type: OTHER
value: from crude oil
type: OTHER
Source sentences:
text: Propane is extracted from heated crude oil using a distillation tower.
text: Propane is extracted from crude oil and petroleum gas during their refinement processes.
text: Natural gas is the mother of propane because propane is extracted from natural gas during refinement processes.