Assertion: pigeon's beak | /r/HasProperty | dark
Facets:
Source sentences:
text: The eye and beak are dark, the latter with a yellow cere.
text: The eye and beak are dark, the latter with a yellow cere.
text: The beak is dark and may have an even darker tip.
text: Mourning Dove, usually is medium sized and has a light gray and brown color; the beak is short and dark.