Anchor: Two dogs are standing in snow, the smaller one barking at the larger one.
Entailed: Two dogs are near each other the smaller one barks at the big one.
Contradiction: Two dogs are swimmimg in a lake.
Contradiction: man cooks steak
Contradiction: A person laying on a seat face down, possibly sleeping.
Contradiction: the person is running all lights
Contradiction: Summer comes early in Dallas.