sentence: Two boys in blue karate suits and red belts are standing on a stage in a school cafeteria and they are doing a karate routine in unison. sentence:  When they are done, they turn to one another, bow, and do some karate matches that involve gently throwing one another to ground and when done with the matches they each take a bow facing the crowd. sentence: The boys then start another karate routine and they are doing various moves with their arms and legs while doing them in unison as much as possible. sentence:  When done they both take a bow facing the crowd and they both run off the school stage.