Seven people are talking about what day it is today?

Seven people are talking about what day it is today?
A:It will be Wednesday the day after tomorrow.
B;You are wrong.Today is Wednesday.
C:You are both wrong.Tomorrow is Wednesday.
D:No!Today is not Monday.
E:I am sure yesterday was Thuisday.
F:No.tomorrow is Thursday.
G;I only know that yesterday wasn't Sunday .Infact only one of the seven people is right .Do you know what day is it today?
我弄出了3个答案 到底是什么啊?