Assertion: cetacean's head | /r/HasProperty | three feet long
Facets:
value: for a living animal
type: OTHER
Source sentences:
text: It’s hard to know the total length of the animal as no legs or tail vertebrae were found, but researchers estimate a length of at 10 to 20 ft (3.0 to 6.1 m) considering the head would have been nearly three feet long for a living animal.