sentence: There are some girls wearing karate uniforms doing karate on a stage. sentence:  There's an orange belt and a yellow belt karate student doing some karate moves with batons in their hands. sentence:  After they leave, another karate student wearing a yellow belt comes on stage to perform her karate moves with a baton. sentence:  Then she leaves and another girl wearing an orange belt joins in holding two hammers to show her karate moves. sentence:  She leaves and another girl wearing a yellow belt comes on stage with a hand fan and shows her karate moves. sentence:  After she leaves the master comes on stage along with three other students. sentence:  They take turns to smash the board held by the master. sentence:  Then the master leaves and the three students demonstrate their coordinated karate moves.