原帖由 manstein 於 2007-11-2 05:26 PM 發表 
' ?+ m, x& e& L. T' UAssume A is correct, den B is oso correct, therefore not the rite answer
7 S" z4 z1 r5 S4 f' XAssume B is correct, den assume A is lying, den the culprit is either A or D, den if D is oso lying, den the culprit is either ...  |