Premise: A man with a black hat and green jacket on staring intently.

Hypothesis: The man in the black hat had a menacing stare.
Relation: entailment

Hypothesis: A tall dark man in an olive green jacket stared intently at the young women, each nervously hurrying across the street to get away.
Relation: neutral

Hypothesis: An old man wearing a green jacket to stay warm, pull his black hat down over his eyes to take a nap on the park bench.
Relation: contradiction