Premise: A man in a blue t-shirt with writing on it is speaking into a handheld system, and another man is sitting beside him with a megaphone in back of him.

Hypothesis: Two guys about to break out of jail.
Relation: contradiction

Hypothesis: Two guys are sitting together, one speaking and the other not.
Relation: entailment

Hypothesis: Two guys at a demonstration for animal rights.
Relation: neutral