sentence: Children perform martial arts moves in a dojo as adults watch. sentence:  A girl flips and takes her turn then flips out of the center. sentence:  A teen does a flip to the other side of the room. sentence:   One of the teachers moves to the middle of the floor. sentence:  The teen talks to another one of the children and send the boy in when it's his turn. sentence:  the teen attempts to have a scared boy take a turn but the boy refuses. sentence:  The children all run to the floor.