Assertion: cockle's shell | /r/HasProperty | gray
Facets:
value: generally
type: DEGREE
value: at times
type: TEMPORAL
Source sentences:
text: The shells of limpets are generally white pink, gray, dark brown, or green with a yellow tint at times.
text: The outer shell is gray/white to tan with some dark brown streaks and the inner shell is yellow, orange, or red.