原帖由 manstein 於 2007-11-2 05:26 PM 發表 
' n1 C6 `1 k+ E! y* r* ^ ^/ CAssume A is correct, den B is oso correct, therefore not the rite answer
}5 \+ ?. X& VAssume 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 ...  |