I agree with Hugh, Its a tricky hand. It really depends on who you are playing against. He could have had 35, 33, 55, JJ, all hands that could have smooth called. I would suspect QQ, KK, AA, would raise, but a call with any of those wouldn't be a bad play either.
It all comes down to are you willing to put your whole tournament on the line with just top pair? Top pair is overplayed a lot and we've all done it. Just chalk it up as a learning experience.
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