Fine, Grok. We have 2 players. Imagine that one player has 3 cards. One of them is different but this is secret and it’s known only by him. The other player has to choose between 2 strategies in order to find the different card. First strategy, the player chooses one of them and the other shows the chosen card. Second strategy, the player shows one card, the other player shows him another card which not the different and now the first one can change his mind and chose another card.

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