Premise: Two men working on top of a building roof, one going down the ladder the other leaning over the side talking.

Hypothesis:  Two men working on top of a building roof, one going down the ladder the other leaning over the side.
Relation: neutral

Hypothesis: Two friends meet at the corner bakery.
Relation: contradiction

Hypothesis:  Two men working on top of a building roof talking.
Relation: entailment