Anchor: A number of people in white cowboy hats are sitting on horses and talking, while a man in a black cowboy hat sits on a nearby fence.
Entailed: many people talk on horseback while another man sits on a fence
Contradiction: One person sits on a horse with no one near by.
Contradiction: A bunch of cowboys are attacking a town
Contradiction: The horses are wearing the cowboy hats.
Contradiction: a chef prepares pizza
Contradiction: No one is wearing a cowboy hat.