Assertion: porcupine's quill | /r/HasProperty | air-filled
Facets:
value: air
type: OTHER
Source sentences:
text: Particularly sought after are the succulent leaves of water lily and arrowhead, for which the porcupine will wade out into streams and even swim, its air-filled quills helping it to keep afloat.
text: Particularly sought after are the succulent leaves of water lily and arrowhead, for which the porcupine will wade out into streams and even swim, its air-filled quills helping it to keep afloat.