Assertion: chimpanzee | /r/HasProperty | taught sign language
Facets:
value: successfully
type: MANNER
Source sentences:
text: Chimpanzees have been successfully taught sign language.
text: Several chimps have been taught sign language, but they only ever answer their trainers’ questions, rather than posing their own.
text: They can be taught sign language, can learn to play games, and master various tricks.