>>Which color hat is the man in the front wearing and how did he determine it?
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>Without reading Sergey's answer, the guy in front is wearing white, as follows:
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>If the guy in back saw two black hats, he'd know he was wearing white. Therefore, he sees at least one white hat.
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>The guy in the middle can figure that out and therefore, if he saw a black hat, he'd know he was wearing white. Thus, the guy in front is wearing white.
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>Tamar

That is correct.