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Two players each pick a suit and cards are drawn until one suit has appeared five times. Is it better to pick before any card is shown, after one or after two?

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You and an opponent each pick a suit of a standard deck. Cards are drawn one at a time without replacement until one of the two suits has appeared 5 times; that suit's owner wins. You may choose your suit before any card is drawn, after 1 card, or after 2 cards are revealed; your opponent then chooses a different suit. Which timing gives you the best chance of winning?

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