Assertion: snake's head | /r/HasProperty | flat
Facets:
value: with vertical pupils
type: OTHER
Source sentences:
text: Eastern hognose snake has stocky body, flat head, wide neck and large fangs in the rear part of the mouth.
text: The head is broad and flat and features sealed nostrils, an enlarged mouth and a mobile cheek.
text: The head is flat, with vertical pupils, and a brown bar behind the eyes.
text: The head is large, flat, and broad from the neck.