原帖由 manstein 於 2007-11-2 05:26 PM 發表 
e( l f0 v% DAssume A is correct, den B is oso correct, therefore not the rite answer
* |9 S) L2 ?3 P/ H1 Z1 rAssume 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 ...  |