At the end of CET 6, there was a discussion among the students in the dormitory about whether Wang Gang and Liu Chao could pass the exam Wang Gang said:only one of us could pass or both of us could pass Li Qiang said: Wang Gang will definitely pass  Yang fan says: Liu Chao can pass  Zhao Jin said: Wang Gang is not likely to pass
The exam results showed that two of the four were telling the truth and two were false
Wang Gang, Liu Chao have all passed.