Assertion: manatee's tail | /r/HasProperty | strong
Facets:
value: very
type: DEGREE
Source sentences:
text: The body of the manatee is described as ‘egg-shaped’ and they have large wide tails that are very strong.
text: While cruising, manatees push themselves forward by moving their strong tails up and down.
text: but when they are threatened by predators; they can pick up speed of up to 15 miles an hour in short bursts, thanks to their really strong tails.