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