Assertion: whale's predator | /r/CapableOf | attack at breathing holes
Facets:
value: for young narwhals
type: TRANSITIVE-OBJECT
value: for greenland sharks
type: TRANSITIVE-OBJECT
value: for walruses
type: TRANSITIVE-OBJECT
Source sentences:
text: Major predators are polar bears, which attack at breathing holes mainly for young narwhals, Greenland sharks, and walruses.