Assertion: horse's mane | /r/HasProperty | black
Facets:
Source sentences:
text: All bay horses have a black mane, tail and legs (except where overlain by white markings), caused by the presence of the agouti gene.
text: the mane and tail of the Bay Roan will be Black).
text: The short frizzy mane was reported to be black, as were the tail and legs.