原帖由 manstein 於 2007-11-2 05:26 PM 發表 
# C/ C( I6 z- D, I, V4 V6 O9 S) @ G `Assume A is correct, den B is oso correct, therefore not the rite answertvb now,tvbnow,bttvb/ }- V) ^3 U; g! D
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 ...  |