Assertion: natural gas | /r/MadeOf | hydrocarbon
Facets:
value: mostly
type: DEGREE
Source sentences:
text: Natural gas consists mostly of methane and hydrocarbons or ethane.
text: Natural gas consists of mainly methane and other hydrocarbons.
text: Crude oil or petroleum consists of hydrocarbons and other organic compounds while natural gas consists mostly of methane and hydrocarbons or ethane.