Assertion: gorilla's use | /r/HasProperty | well-documented behavior
Facets:
value: in wild chimpanzees
type: LOCATION
Source sentences:
text: While the use and manufacture of tools to extract ants and termites is a well-documented behavior in wild chimpanzees, it has never been observed in other great apes in their natural habitat and never seen to be done by other primates in captivity.