Assertion: gull's head | /r/HasProperty | pure white
Facets:
value: in breeding season
type: TEMPORAL
value: in summer
type: TEMPORAL
Source sentences:
text: In breeding season the head is either pure white, black, gray, or brown; it becomes streaked or smudgy in winter.
text: During the breeding season, the head is pure white and the eyelid pink in-ring.
text: In summer the head and breast are pure white; winter birds, such as this one, display a mottled brownish