Assertion: bat's cave | /r/HasProperty | natural
Facets:
Source sentences:
text: In presettlement times it is presumed the big brown bat roosted in tree hollows, natural caves, or openings in rock ledges.
text: Bats have become a problem and a more serious danger because caves, their natural habitat, have been systematically destroyed by humans through tourism, quarrying rock, and mining operations.
text: Some habitats closely replicate caves or mine shafts, which are the natural roosts of this species.