Assertion: cow | /r/CapableOf | give birth to calf
Facets:
value: a year
type: TEMPORAL
value: usually
type: TEMPORAL
Source sentences:
text: The production of milk requires that the cow be in lactation, which is a result of the cow having given birth to a calf.
text: Cows give birth to one calf a year, although sometimes they can have twins.
text: A cow is an adult female that has given birth to at least one calf.
text: The production of milk requires that the cow be in lactation, which is a result of the cow having given birth to a calf.
text: The cows usually give birth to one calf a year, though twins are also known to be born.