Assertion: porcupine | /r/CapableOf | produce rattling noise
Facets:
Source sentences:
text: When threatened, the porcupine wags its tail to produce a rattling noise, simultaneously raising the sharp 40cm/16 inch-long quills on its back and sides.
text: When threatened, a porcupine will shake its quills to produce a rattling sound that warns the intruder away.