Assertion: brittle star's arm | /r/HasProperty | thin
Facets:
value: with many joints
type: OTHER
Source sentences:
text: The arms are short and thin and are orange, dark brown, beige, black, or gray.
text: The arms are relatively short and thin.
text: However, basket stars have five arms that are exceptionally long and thin and are branched at their base and then branched, and branched, and branched, and branched from there.
text: They have the typical echinoderm five-sided radial symmetry, but their arms are thin with many joints.