Assertion: blue whale | /r/CapableOf | give birth to calf
Facets:
Source sentences:
text: No records of natural births are known, although a blue whale that ended up in Trincomalee harbor gave birth to a calf before being towed back to sea the following day.
text: They give birth to calves that already weigh 3 tons and are 25 feet long.
text: Blue whales give birth to calves which are almost as large as the biggest fish in the oceans.