Assertion: copperhead's head | /r/HasProperty | elliptical pupils
Facets:
value: vertically
type: MANNER
Source sentences:
text: The copperhead is a poisonous snake with a broad triangular head, vertically elliptical pupils and a heat sensitive pit between each eye and nostril.
text: The copperhead is a venomous snake with a broad triangular head, vertically elliptical pupils and a heat sensitive pit between each eye and nostril.