sentence: The video begins with two sumo wrestlers on a sumo stage. sentence:  There is a large crowd spectating, and a man in the center of the ring acting as referee. sentence:  The two sumo wrestlers throw a white powder into the ring. sentence:  The squat and clap their hands together, while a group of men hold flags and walk around the ring. sentence:  Two other men hold brooms as sweep up some of the powder. sentence:  The two sumo wrestlers walk out of the ring and again throw more powder. sentence:  They collide into one another and back away. sentence:  They again collide into each other and begin wrestling. sentence:  The man in black sumo shorts throws the other man out of the ring. sentence:  They bow and the loser exits the ring.