原帖由 manstein 於 2007-11-2 05:26 PM 發表 
0 Z% e9 w9 j$ D! |) F zAssume A is correct, den B is oso correct, therefore not the rite answer6 |; V6 ]8 g7 \3 Z( g3 a
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 ...  |