Assertion: chimpanzee | /r/CapableOf | thrust into cavity
Facets:
value: in a tree
type: LOCATION
Source sentences:
text: Researcher Jill Pruetz, assistant professor of anthropology at Iowa State University, US, has personally observed these chimps using spears to hunt bush babies and other small animals, and in one case, a chimp was observed to use his spear to thrust into a cavity in a tree.