Premise: A constructions worker scratches his backside and stands with his backside towards the viewer observing a construction site.

Hypothesis: Several men sit down and discuss the Superbowl game result, some happy others seem mad
Relation: contradiction

Hypothesis: A contruction worker pretends scratching his back as he uses his back to block the sight of inspectors
Relation: entailment

Hypothesis: Several contraction site inspectors are trying to get past a construction worker with broad back
Relation: neutral