Assertion: comb | /r/CapableOf | darken to black
Facets:
value: almost
type: DEGREE
value: in purple-combed roosters
type: LOCATION
Source sentences:
text: An agitated rooster, or one who's experiencing a surge in testosterone, will exhibit a darker comb -- in red-combed roosters, this change will appear purplish; in purple-combed roosters, the comb could darken to almost black.