Assertion: snake | /r/CapableOf | close its mouth
Facets:
Source sentences:
text: Copperhead snakes have an efficient venom delivery system, with long fangs mounted at the front of the jaw which swivel back to allow the snake to close its mouth.
text: The Copperhead snakes have an efficient venom delivery system, with long fangs mounted at the front of the jaw which swivel back to allow the snake to close its mouth.