Assertion: gorilla's baby | /r/HasProperty | born
Facets:
value: usually
type: DEGREE
value: singly
type: MANNER
Source sentences:
text: Babies are usually born singly; twins are rare.
text: Usually, only one baby is born, weighing about 2 kilograms.
text: Once pregnant, the female will seek isolation until after the baby is born and will return about two weeks later.
text: When (time of year) and where are the babies born?