Assertion: whale | /r/AtLocation | the surface of the water
Facets:
value: to get air
type: PURPOSE
value: to let
type: PURPOSE
Source sentences:
text: Because whales are mammals they breathe oxygen and because they breathe oxygen they must come to the surface of the water to breathe.
text: They must come up to the surface of the water to get air.
text: Whales breathe through their blowholes, which are basically nostrils on the top of their heads, and they have to come to the surface of the water to take in air.
text: Blowing occurs when a whale comes up to the surface of the water to let its air out (exhales) and back in again (inhales).