原帖由 manstein 於 2007-11-2 05:26 PM 發表 4 U$ G/ z3 ~& I/ D
Assume A is correct, den B is oso correct, therefore not the rite answertvb now,tvbnow,bttvb7 p) R2 J0 S [( v) {
Assume 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 ...  |