Premise: "A young man in a hard hat and safety vest sitting in a pickup while another man holds on in the passenger seat."\nHypothesis: "Nobdoy has a hat."\nDo we know that the hypothesis entailed by the premise?
Let’s work this out in a step by step way to be sure we have the right answer.
no
A young man has a hard hat so there is someone with a hat.

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Final answer: no