Assertion: crude oil | /r/ObjectUse | used by volume
Facets:
value: mostly
type: DEGREE
value: for producing fuel oil
type: PURPOSE
Source sentences:
text: Petroleum is used mostly, by volume, for refining into fuel oil and gasoline, both important "primary energy" sources.
text: Petroleum is used mostly, by volume, for producing fuel oil, which is an important "primary energy" source.