Assertion: narwhal | /r/CapableOf | use suction
Facets:
value: to find prey
type: PURPOSE
value: with few functional teeth
type: OTHER
Source sentences:
text: With few functional teeth, and a large tusk, the narwhal must use suction and jets of water to find prey at the bottom of the ocean.
text: The right canine stays embedded, and no other teeth protrude from the inside of their mouths; narwhals instead use suction to swallow their prey whole.