Assertion: warthog's pair | /r/CapableOf | become sharp
Facets:
value: by rubbing against the upper pair
type: MANNER
value: extremely
type: DEGREE
Source sentences:
text: The much shorter lower pair can become extremely sharp as it rubs against the upper pair whenever the animal opens or closes its mouth.
text: The lower pair, which is far shorter than the upper pair, becomes razor sharp by rubbing against the upper pair every time the mouth is opened and closed.
text: The lower pair, which is far shorter than the upper pair, becomes razor sharp by rubbing against the upper pair every time the mouth is opened and closed.