Assertion: ostrich's female | /r/HasProperty | gray
Facets:
value: in colour
type: OTHER
value: mostly
type: DEGREE
Source sentences:
text: Male ostriches are mostly black, while females are gray.
text: The male birds have mainly black feathers and the females are mostly grey in colour.
text: Males sport black and white feathers whereas females are gray.
text: The males are a dramatic black and white, while the females tend to be gray or brown and white.