Assertion: gila monster | /r/CapableOf | open their mouths
Facets:
value: very wide
type: MANNER
Source sentences:
text: They will also hiss and open their mouths very wide (this behavior is called gaping), showing off their pointy teeth.
text: A Gila monster will open its mouth and produce a hissing sound to warn off enemies.
text: If cornered however, gila monsters will act out an impressive threat display by facing the threat, opening their mouths wide, hissing loudly, and occasionally jumping at their molester.