Assertion: blackbird's bill | /r/HasProperty | yellow
Facets:
value: mainly
type: DEGREE
value: with a variably dark tip
type: OTHER
Source sentences:
text: The bills of both males and females are yellow in the summer and dark grey in the winter.
text: The bill is mainly yellow with a variably dark tip, the dusky area becoming more extensive in winter, and the legs and feet are brown.