Assertion: blue whale's head | /r/HasAspect | prominent ridge
Facets:
Source sentences:
text: Their head is flat and U-shaped and has a prominent ridge running from the blowhole to the top of the upper lip.
text: Their head is flat and U-shaped and has a prominent ridge running from the blowhole to the top of the upper lip.
text: They have long, tapering bodies and a flat, u-shaped head that has a prominent ridge running from the blow hole to the top of the upper lip.