回複：回複：回複：C H A G E ＦＲＯＭ 3)

I can verify the best strategy for the first guy : he always shot the air first. But 007 is right for angry guys.For this question : if Mr.Li is smart and calm like you,the answer is P(Li)=.263,P(Huang)=.548.You are smart, please try "code".