premise: man doing carpentry or construction on top of an unfinished building. hypothesis: The man didn't know if he was a construction worker or carpenter.
neutral: What someone is working on has know correlation to how they didn't know their title.|neutral: The man  can be doing carpentry or construction doesn't have to be a construction worker or carpenter, he could be a DIY'er.|neutral: Just because doing carpentry or construction does not mean he is a construction worker or carpenter.