Assertion: rhea's head | /r/HasProperty | black
Facets:
Source sentences:
text: The plumage is mostly white, but the head and upper neck are featherless and black, with a featherless red stretchable pouch at the base.
text: The plumage is mostly white, but the head and upper neck are featherless and black, with a featherless red stretchable pouch at the base.