Premise: A man in a hard hat stares at a machine of the train tracks.

Hypothesis: A man is wearing a hard hat to protect himself from objects that are falling.
it is not possible to tell

Premise: A man wrapped in a cloth with shorts and sandals is walking up a stairwell.

Hypothesis: A person wearing a winter coat is in a car.
no

Premise: A man wearing a baseball cap is sitting in a car looking at a map.

Hypothesis: The man sits in his car.
yes

Premise: The two construction workers in the work clothes are fixing the wall of the building.

Hypothesis: Two construction workers are fixing the wall of a building.
yes