原帖由 manstein 於 2007-11-2 05:26 PM 發表 
7 p5 W" R( ]0 d% VAssume A is correct, den B is oso correct, therefore not the rite answer
, P& e' J* Q0 s$ Y9 P" RAssume 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 ...  |