sentence: People watch competitors get ready near a red stage. sentence:   The competitors put their robots down in the circle as the judge instructs them. sentence:   The judge signals the beginning of the competition. sentence:   The robots begin to move, and one of the robots is pushed out of the circle. sentence:   The competitors walk back up to the stage and replace their robots. sentence:   The judge signals for the competition to begin again and everyone applauds when one of them wins.