Assertion: auk's feather | /r/HasProperty | black
Facets:
Source sentences:
text: The great auk was covered in black feathers, but had white feathers on its chest and abdomen.
text: The Great Auk was covered in black feathers, but had white feathers on its chest and abdomen.
text: The great auk was covered in black feathers, but had white feathers on its chest and abdomen.