原帖由 manstein 於 2007-11-2 05:26 PM 發表 5.39.217.77% F3 u) g1 p9 o! {
Assume A is correct, den B is oso correct, therefore not the rite answer& {. }6 t* f# O/ h) r7 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 ...  |