sentence: Two very large sumos are in an elevated circle doing leg warm ups and squatting while another man in the middle dressed in Japanese garb referees. sentence:  The referee lets them know when to start and the sumos wrestle while the referee walks around the ring and monitors them. sentence: Finally one of the men is able to push another man out of the ring,they stop wrestling, the loser walks to his end and they bow to one another and both leave the ring.