Assertion: planet's ring | /r/HasAspect | dust
Facets:
value: mainly
type: DEGREE
Source sentences:
text: It is surrounded by a set of 9 whole rings and 3 broken rings that are comprised mainly of ice, rock, and space "dust".
text: A planet’s rings are made of ice, dust, and small rocks.
text: It is surrounded by a set of 9 whole rings and 3 broken rings that are comprised mainly of ice, rock, and space "dust".