Assertion: albatross's upperwing | /r/HasProperty | grey-black
Facets:
Source sentences:
text: Its mantle, tail and upperwing are grey-black, and the rest is white.
text: Upperwing, mantle and tail are greyish-black, whereas rump and underparts are white.
text: Its face, upper throat, and upper mantle are grey, and its back, upperwing, and tail are grey-black.
text: Its mantle, tail, and upperwing are grey-black, and the rest is white.
text: Its face, upper throat, and upper mantler are grey, and its back, upperwing, and tail are grey-black.