Assertion: porcupine's quill | /r/HasProperty | hair
Facets:
value: with barbed tips on the ends
type: OTHER
value: with solid, barbed tips
type: OTHER
value: with hollow shafts
type: OTHER
Source sentences:
text: Quills are hairs with solid, barbed tips and hollow shafts, and a porcupine has an estimated 30,000.
text: The quills are hairs with barbed tips on the ends.