The Moment Of Truth? how is the game played?!

Question: Im alittle confused on how the game is played so they take a polygraph test before they get on the show?

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Answers: Im alittle confused on how the game is played so they take a polygraph test before they get on the show?

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Yeah thats what happens.Before they get on the show they are asked 50 questions and the questions they are asked are the same ones from the show itself.
But although they already answered them they can change their previous answer.

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