Assertion: cow's gestation period | /r/HasProperty | about nine months
Facets:
Source sentences:
text: Humans and cows have the same gestation period which is about nine months.
text: While the gestation period of most cows is nine months, the Chianina's is several days or weeks longer.
text: A cow's gestation period is approximately nine months.
text: Humans and cows have the same gestation period which is about nine months.