Assertion: porcupine | /r/CapableOf | lift its tail
Facets:
value: to slap it
type: PURPOSE
Source sentences:
text: When a porcupine lifts its tail to slap it, the biologist grabs the underside of the animal’s muscular tail which has bristly hairs but no quills.
text: When the porcupine does attack, it moves its tail to hit its quills against the predator.