Assertion: narwhal | /r/HasAspect | long tusk
Facets:
value: from a protruding canine tooth
type: OTHER
Source sentences:
text: The Narwhal, found in the arctic waters around Greenland, Canada, and Russia, is a toothed whale that has a long ‘tusk’ from a protruding canine tooth.
text: Why do narwhals have that long tusk?