Assertion: monarch's leg | /r/HasProperty | middle
Facets:
Source sentences:
text: They will use rear legs and middle legs while the forelegs are held against its body.
text: The monarch has six legs like all insects, but uses only its middle legs and hindlegs as the forelegs are vestigial, as in all Nymphalidae, and held against its body.
text: However, its forelegs are vestigial, so it only uses its middle legs and hind legs.