Assertion: manatee's tail | /r/HasProperty | powerful
Facets:
value: very
type: DEGREE
Source sentences:
text: They also had a very powerful tail.
text: They have a pair of paddle-like front flippers and a powerful spade-shaped tail.
text: A West Indian Manatee has a long gray body and a powerful tail.
text: While generally slow-moving, a manatee can in fact swim in bursts of up to 15 to 21 miles an hour, propelled by their powerful tails.