Assertion: hummingbird's chin | /r/HasProperty | white
Facets:
Source sentences:
text: The chin and throat are white, and the chest is gray-white with a vest-like look.
text: Other subtle differences include the black chin of the ruby-throated hummingbird (broad-tailed hummingbirds have white chins), and the ruby-throated hummingbird's smaller size.