Assertion: gull's head | /r/HasProperty | streaked with brown
Facets:
value: in winter
type: TEMPORAL
Source sentences:
text: In winter, the heads of adult gulls are streaked with brown.
text: By the third winter, the base of the bill is yellow with a black tip, there is more extensive gray on the back, the chest and belly are white, the head is streaked with brown, and the tail is tipped with a wide black band.