premise: Two casually-dressed men, one in a cowboy hat and one in a baseball cap, make their way through a crowd. hypothesis: A man is wearing a cowboy hat.
entailment: Wearing a hat is the same as being in a hat.|entailment: "Wearing a cowboy hat" means the same as "in a cowboy hat.".|entailment: man in a cowboy hat means he is wearing a cowboy hat.