Anchor: A white dog snarls at a black dog in front of a set of steps.
Entailed: One dog is not happy with the other dog
Contradiction: The dogs are happily angry at each other
Contradiction: Two dogs are lying in front of a fireplace.
Contradiction: A white dog snarls at the reincarnation of Hitler on the front steps.
Contradiction: The dogs are sleeping on the steps together, in the warm sun.
Contradiction: Two cats hiss at each other indoors.