All international students from China live on campus; all students living on campus must participate in the sports meeting; some Chinese students join the student union; some psychology students also join the student union; all psychology students do not have Participate in the Games. Which of the following conclusions cannot be derived from this? ['All Chinese students participated in the Games.', 'No psychology student lives on campus.', 'Some Chinese students study psychology.', 'Some student union members did not attend the sports meeting.']