Assertion: planet | /r/MadeOf | gas
Facets:
value: mostly
type: DEGREE
Source sentences:
text: Planets may be made of rocks, metals and gases like hydrogen, nitrogen and methane.
text: A planet is a body that when compressed by gravity will not generate fusion, be it composed of mostly gas or mostly rocky material.
text: Planets can be made of either gas or rocks, and are calledorrespectively.