Assertion: starfish's arm | /r/HasProperty | delineated
Facets:
value: clearly
type: MANNER
value: from the central body disk
type: OTHER
Source sentences:
text: The arms are clearly delineated from the central body disk, and in this way brittle stars can be distinguished from starfish (starfish arms blend with the central body disk such that it is not easy to delineate where the arm ends and the central body disk begins).