Assertion: mother opossum | /r/CapableOf | give birth to six to 20 babies
Facets:
value: after a 12-day pregnancy
type: TEMPORAL
Source sentences:
text: After a 12-day pregnancy — the shortest of any North American mammal — a mother opossum gives birth to six to 20 babies.
text: After a 12-day pregnancy — the shortest of any North American mammal — a mother opossum gives birth to six to 20 babies.