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發表於 2013-2-10 10:53 PM
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C knows the answer by deducing D is not yelling out the answer.公仔箱論壇9 b/ ]& G( l/ B1 _: j$ N5 \! r
That means D is not sure the answer by seeing one white and one black.公仔箱論壇: D7 q! e9 ~1 E& }# e; \$ K+ o6 `
C saw B is wearing the white, hence he is wearing the black |
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