Assertion: brittle star's disc | /r/HasProperty | oral
Facets:
Source sentences:
text: Many brittle stars can open wide and deform their oral discs in order to swallow large chunks.
text: Many brittle stars can open wide and deform their oral discs in order to swallow large chunks.
text: Many brittle stars can open wide and deform their oral discs in order to swallow large chunks.