Assertion: penguin | /r/HasAspect | white belly
Facets:
Source sentences:
text: All penguins have a white belly and a dark (mostly black) back.
text: Penguins have white bellies so that, when they’re in the water, predators cannot distinguish them from the sky above.
text: All penguins have a white belly and a dark, mostly black, back.
text: All penguins have a white belly and a dark (mostly black) back.
text: All penguins have black backs and white bellies.