Assertion: bufflehead's neck | /r/HasProperty | white
Facets:
Source sentences:
text: The neck, scapulars, breast, belly and sides are white, and the back and rump are black.
text: The neck, breast, underparts and flanks are white, while the back, primaries, tail and undertail are black.
text: Its neck, breast and belly are white and it has pure white scapulars.
text: The throat and neck are white.