Assertion: gull's plumage | /r/HasProperty | white
Facets:
value: with dark brown
type: OTHER
value: with grey upperparts
type: OTHER
value: mainly
type: DEGREE
Source sentences:
text: Most gulls have white or grey plumage.
text: Its plumage is mainly white with grey upperparts.
text: The non-breeding plumage of roseate is pale above and white, sometimes pink-tinged, below.
text: The plumage is white with dark brown to black wing tips; the primary flight feathers, primary coverts and alulae are dark.