premise: A dark-skinned man wearing a green cap backwards on his head grins in a crowd. hypothesis: The man in the green cap finds something funny.
entailment: A man grins results when the man finds something funny.|entailment: If the man grins then something is funny.|entailment: A man is a man. By wearing a green cap he is in the green cap. If he grins, it suggests he finds something funny.