Anchor: A dog's mouth opens to expose its sharp teeth.
Entailed: A dog's mouth has many teeth.
Contradiction: A dog has a ball in its mouth.
Contradiction: The man is inside of an RV.
Contradiction: However the gravity influence, I know.
Contradiction: The black dog jumps into the ocean.
Contradiction: A motorcycle brakes at a crosswalk next to a parking areas with many parked bicycles and motorcycles.