sentence: One woman and two men, wearing white pants, white shirt and black and white belts demonstrate martial arts moves, barefoot,  on a large patch of grass in front of a body of water and a city scape of buildings. sentence:   A woman with blonde hair in a ponytail and a black belt, demonstrates martial arts moves first exhibiting shoulder and arm moves and footwork. sentence:   A man in a white belt demonstrates martial arts moves using knee bends. sentence:   A third man in a black belt demonstrates martial arts moves exhibiting floor work, leg swipes and high kicks.