文件名称:blackandwhite
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有A、B、C、D、E五人，每人额头上都帖了一张黑或白的纸现在已知额头上帖黑纸的人说的都是谎话，额头帖白纸的人说的都是实话。问这五人谁的额头是帖白纸，谁的额头是帖黑纸？-There are A, B, C, D, E five people, each on his forehead with both a black or white paper is now known with black and white on his forehead said are lies, his forehead with a white person said that are the truth. Asked five people who are with a white forehead, who is with the forehead in black and white?
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