Assertion: cave's opening | /r/HasProperty | large
Facets:
value: deep enough
type: DEGREE
value: at the threshold size
type: OTHER
Source sentences:
text: At the threshold size the opening is large enough and the flow velocities high enough that insoluble sediments can be transported.
text: Openings to the surface may be large holes or small crevices.
text: While sunlight penetrates all the way to the back of a bluff shelter, a cave is defined as an opening that is large enough for a person to enter and deep enough that sunlight does not reach the back.