Assertion: whelk's shell | /r/CapableOf | vary in color
Facets:
value: to tan
type: PURPOSE
value: from grey
type: OTHER
value: to a yellow
type: OTHER
value: with being white
type: OTHER
Source sentences:
text: The shell can vary in color with some whelks being white, some tan, and some grey or black.
text: The shell varies in colour from grey to a yellow or tan, and their body is white with a mottling of black.