C knows the answer by deducing D is not yelling out the answer.
9 F) ~& D d4 ~) n# U4 Htvb now,tvbnow,bttvbThat means D is not sure the answer by seeing one white and one black.
) m0 I+ e* l, z& A; {. u5 wtvb now,tvbnow,bttvbC saw B is wearing the white, hence he is wearing the black |
發表於 2013-2-10 10:53 PM
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