Premise: Two men on motorcycles, one with a silver helmet and the other with a black helmet, riding in a city, with a boy with a white long-sleeve shirt on, approaching one of the motorcycles.

Hypothesis: The men both have on short sleeve shirts.
Relation: contradiction

Hypothesis: The men are wearing safety equipment on their heads.
Relation: entailment

Hypothesis: The men are a part of a motorcycle club.
Relation: neutral