Assertion: black mamba's head | /r/HasProperty | referred
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Appropriate for such a dangerously venomous snake, the elongate, flat-sided head is often referred to as coffin-shaped.
text: As it is with all mambas the elongate, flat-sided head is often referred to as coffin-shaped.
text: Appropriate for such a dangerously venomous snake, the elongate, flat-sided head is often referred to as coffin-shaped.