Assertion: gorilla | /r/HasProperty | taught sign language
Facets:
value: by people
type: OTHER
value: in captivity
type: LOCATION
Source sentences:
text: Evidence of this comes from Koko, a gorilla that was born in captivity that was taught sign language and had a vocabulary of about one thousand signs by the age of 40.
text: Gorillas in captivity have been taught sign language and can even communicate with humans.
text: In captivity, a few Gorillas have been taught sign language.
text: Some gorillas have been taught sign language by people; these gorillas learned how to form simple sentences and communicate with people.
text: Gorillas have been taught sign language successfully - Koko the gorilla, born in San Francisco Zoo, learned over 1100 signs.