Assertion: narwhal's skin pattern | /r/HasProperty | black
Facets:
Source sentences:
text: Narwhals have a black and white mottled skin pattern on the dorsal size and are white underneath on their belly.
text: Narwhals have a black and white mottled skin pattern and are white underneath.
text: Narwhals have a black and white mottled skin pattern and are white underneath.