An organ simulates holding a special national defense education event on National Defense Education Day for all  As to the form of the event, the organizers A, B, C three people one opinion is as follows  A believes that if you engage in reading lectures, knowledge competitions, then do not engage in literary performances and special exhibitions  B think that if you do not engage in literary performances and special exhibitions, then engage in reading lectures, knowledge competitions
C does not think that do reading speech, knowledge contest
No reading lectures, knowledge competitions, no literary performances or special exhibitions