Assertion: desert tortoise's shell | /r/HasProperty | gray
Facets:
value: usually
type: DEGREE
value: in color
type: OTHER
value: without any colorful markings on it
type: OTHER
value: with distinctive growth lines
type: OTHER
Source sentences:
text: The top shells are brown, gray, or black, often with distinctive growth lines, while the shell underneath is lighter.
text: The shells of Galápagos Tortoises are grey or grey-brown in color.
text: The shell of a desert tortoise is usually brown or gray without any colorful markings on it like you would see on a Box turtle you might find in the woods.
text: Its domed shell can be brown, gray or black, and often has distinctive growth lines.