Assertion: humpback whale | /r/HasProperty | large baleen whales
Facets:
value: with white undersides
type: OTHER
value: with dark colored backs
type: OTHER
Source sentences:
text: Humpback whales are large baleen whales with dark colored backs and white undersides.
text: The humpback whale, Megaptera novaeangliae is a large baleen whale noted for its mysterious song.