Assertion: snow goose's bill | /r/CapableOf | lack black lips
Facets:
Source sentences:
text: Other differences from the snow goose are that the bill is smaller in proportion to its body and lacks "black lips".
text: ’s goose is the size of a mallard and has a short neck and rounded head; the pink bill is stubby and lacks the black “lipstick” or “grinning” patch.