Assertion: gull's tail | /r/HasProperty | dark
Facets:
value: mostly
type: DEGREE
Source sentences:
text: The tail is largely dark, and the legs are pink.
text: The wing tips and tail are dark brown-black, partly tipped with white.
text: In their second winter, the base of the bill is pinkish with a black tip, the back has areas of light gray, and the tail is mostly dark.