Anchor: If the animal jumps out of the vehicle, or the truck is in an accident, the animal could be injured. 
Entailed: The truck is currently being driven.
Contradiction: It is impossible for an animal to get injured in a truck accident.
Contradiction: An animal is always safe no matter what happens to a car
Contradiction: The dog is safe if it jumps out the window.
Contradiction: The dog flew when it jumped out of the truck.
Contradiction: The vehicle is actually a taxi cab.