Assertion: water moccasin's head | /r/HasProperty | black
Facets:
value: mostly
type: DEGREE
Source sentences:
text: The heads of adults are large, spade-shaped, and brown, black, or olive on top or laterally.
text: Head of the coral snake is black and it is hardly distinguished from the tail.
text: The end of the tail tends to have a yellowish coloration and the head is mostly black and silver.