Assertion: porcupine's quill | /r/CapableOf | stand erect
Facets:
value: along the back of the animal
type: LOCATION
Source sentences:
text: If the animal is disturbed or threatened in any way, the quills stand erect and the porcupine is ready for battle.
text: It seems rather stupid and slow, easy prey, but when it is threatened or attacked, it quills stand erect.
text: The long quills stand erect along the back of the animal when it is threatened or disturbed in any way.