Assertion: bat's cave | /r/HasProperty | destroyed by human
Facets:
value: through quarrying rock
type: MANNER
value: through tourism
type: MANNER
value: through mining operations
type: MANNER
value: systematically
type: MANNER
Source sentences:
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.