sentence: AN intro screen showing a man perform Brazilian martial arts appears on the screen. sentence:  It then shows a man doing the same martial arts in slow motion on some grass in what looks like a park. sentence:  The man spins and kicks continuously and is highly skilled. sentence:  The video then shows another man indoors giving a thumbs up, before jumping to two other men performing on a stage. sentence:  A bunch of other men are performing martial arts inside of a gymnasium and classroom, while another man speaks to the camera.