Assertion: vampire bat's wing | /r/HasProperty | thin
Facets:
value: very
type: DEGREE
value: like in all bats
type: OTHER
Source sentences:
text: The wings of bats are thin when you compare them to birds.
text: The wings are a thin membrane that spreads between the lengthy finger bones, like in all bats.
text: The webbing is a layer of skin that creates a wing that is very thin but strong.