Please answer the following question by reasoning step-by-step. Test for natural language inference.
Premise: "A man is protesting in a hard hat."
Hypothesis: "The man who looks like a construction worker is protesting about the iraq war."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell. Step-by-step reasoning:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Not all persons on hard hat protest about the iraq war. So the answer is it is not possible to tell.