Assertion: horse's hair | /r/HasProperty | white
Facets:
Source sentences:
text: The name comes from a Thoroughbred horse named Birdcatcher, who had white hairs throughout his flank and tail.
text: In contrast to gray horses which are born with pigmented skin they keep for life and pigmented hair that lightens to white with age, truly white horses are born with white hair and mostly pink, unpigmented skin.