Premise: A middle-aged man wearing a white shirt, gloves and pants with what appears to be some type of device around his neck that might control the crane that is going to either hoist up or let down some piping.

Hypothesis: A man sits at a typewriter.
Relation: contradiction

Hypothesis: A construction worker operating a machine.
Relation: neutral

Hypothesis: A construction worker laying pipe for a new drainage system.
Relation: neutral