Assertion: frog | /r/HasAspect | flaps of skin
Facets:
value: on their front limbs
type: LOCATION
value: for extra help
type: PURPOSE
Source sentences:
text: They also have flaps of skin on their front limbs for extra help.
text: Many frogs, particularly males, have vocal cords and a flap of skin called a vocal sac in the front of their throats.