Assertion: baby gorilla | /r/HasProperty | fed by their mother
Facets:
value: for 3-4 years
type: TEMPORAL
Source sentences:
text: Baby gorillas weigh about 4.4 lb (2 kg) when they are born and are breast-fed by their mother for 3-4 years.
text: At the age of about 18 to 20 months, baby gorillas are fed by their mothers at least one time per two hours.