The samurais noticed a suspicious masked person. Samurai A believes that it was the Monk. Samurai B states that the unknown is either the Monk or the Geisha. Samurai C proves that if Samurai B is not...

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Extracted text: The samurais noticed a suspicious masked person. Samurai A believes that it was the Monk. Samurai B states that the unknown is either the Monk or the Geisha. Samurai C proves that if Samurai B is not wrong, then Samurai A is right. Samurai D is sure that Samurai B and Samurai C cannot be wrong. Further investigation proved that Samurai D's conclusions were right. Who was hiding behind the mask? O It cannot be determined from the arguments O One of the samurais O the Monk O the Geisha