Assertion: flight feather's edge | /r/HasProperty | white
Facets:
value: with a black wing-tip
type: OTHER
Source sentences:
text: During the summer months, the adult's back and wings are dark gray, and the trailing edge of their wings is white, with a black wing-tip.
text: During the summer months, the adult's back and wings are pale gray, and the trailing edge of their wings is white, with a black wing-tip.
text: The back and wings are gray; the trailing edge of the wing is white.