趣味推理问题

题目

趣味推理问题
Five people (A,B,C,D and E) are either judges（法官） or lawyers（律师）.It is
known that judges always tell the truth,while lawyers always lie（说谎）.
We also know that
● A is a judge;
● B says that he is a judge;
● C says that D is a judge;
● D says that B and E can't both be a judge;
● E says that A and B are judges.
How many judges are there among A,B,C and
五人（有A ,B ,C ,D和E ）或者法官（法官）或律师（律师） .它是
众所周知,法官总是说真话,而律师总是（说谎） .
我们还知道,
● A是法官;
●乙说,他是一名法官;
● ç说,D是法官;
● D说,乙和E不能同时法官;
● é说,A和B是法官.
有多少法官之间有,B ,C和D

答案

A C D是法官 而 B是律师