Assertion: mule's tail | /r/HasProperty | black
Facets:
value: at the tip
type: LOCATION
value: usually
type: DEGREE
Source sentences:
text: The tail of a hybrid looks very much like a typical whitetail, but is usually longer and dark brown or black on the back surface.
text: They have a large, white rump patch, and a tail that is only black at the tip.