Assertion: echinoderm's arm | /r/HasProperty | demarcated
Facets:
value: sharply
type: DEGREE
value: from the central disk
type: LOCATION
value: from the central disc
type: LOCATION
Source sentences:
text: The long arms are demarcated from the central disc.
text: Unlike sea stars, which have plump arms, brittle stars have long, thin arms that are sharply demarcated from the central disk.