Assertion: cetacean's head | /r/CapableOf | compare with other rorquals
Facets:
Source sentences:
text: The head of the Blue whale forms up to a quarter of the total body length and compared with other rorquals is very broad.
text: The head of the Sei whale forms up to a quarter of the total body length and compared with other rorquals is slender with a slightly arched forehead.