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Ma Wankun, a 13 years old teenager, was under pressure from the high school entrance exam. His parents arranged him to take part in an already-decided badminton match to gain extra points. However, Ma Wankun wanted to quit the competition in his own way, which was opposed by his parents and teachers.
 
                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                    