原帖由 manstein 於 2007-11-2 05:26 PM 發表 
5 |3 x0 a+ N& atvb now,tvbnow,bttvbAssume A is correct, den B is oso correct, therefore not the rite answeros.tvboxnow.com% h7 I+ |# _/ R: t
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 ...  |