Premise: Two men, each wearing a white tee-shirt and headphones make adjustments to a machine while shaded by a dark umbrella-like contraption.

Hypothesis: Technicians servicing machinery under hastily constructed shade.
Relation: neutral

Hypothesis: Men in matching shirts working on a machine.
Relation: entailment

Hypothesis: Soldiers prepare the umbrella that will deflect the world ending asteroids due to crash into the Earth's surface any moment.
Relation: contradiction