Assertion: asteroid belt's asteroid | /r/CapableOf | provide grist
Facets:
value: specifically,
type: MANNER
value: in earlier works
type: TEMPORAL
value: for theories
type: PURPOSE
value: as to their origin
type: OTHER
Source sentences:
text: In earlier works, asteroids provided grist for theories as to their origin – specifically, the theory that the asteroids are remnants of an exploded planet.