Premise: Two men in black outfits are sitting at the base of a lamp post.

Hypothesis: Two men in green outfits are sitting at the base of a lamp post.
Relation: contradiction

Hypothesis: Two men in black outfits are sitting down and spying on someone at the base of a lamp post.
Relation: neutral

Hypothesis: Two men are sitting down near a lamp post.
Relation: entailment