Assertion: echinoderm's arm | /r/HasProperty | raised
Facets:
value: upward
type: MANNER
Source sentences:
text: The unstalked crinoids (feather stars) generally swim by thrashing their numerous arms up and down in a coordinated way; for example, in a 10-armed species, when arms 1, 3, 5, 7, and 9 are raised upward, arms 2, 4, 6, 8, and 10 are forcibly pushed downward; then the former group of arms thrashes downward as the latter is raised.
text: The arms are raised to form a fan-shape which is held perpendicular to the current.