Assertion: monkey's tail | /r/HasProperty | gray
Facets:
Source sentences:
text: Its limbs and tail are gray, and its face is hairless and light pink in color.
text: The fur of the adult proboscis monkey is bright orange, reddish brown, yellowish brown or brick-red on the back; underfur is light-grey, yellowish, or greyish to light-orange; and the arms, legs, and tail are gray.