Please choose the correct ending to complete the given sentence: Sumo: Two sumos prepares to wrestle in a ring while a judge stands in middle of them. Then the sumos wrestle, and the thin sumo throws the fat sumo to the floor. after

Ending1: , the fast sumo rubs the thin sumo of the floor with his knife, when the thin sumo fights three sumo sumos. Ending2: , the shorter sumo nails his opponent and get up. Ending3: , one of the sumos lets the thin sumo up. Ending4: , the fat sumo stands up and left the ring.

Answer format: ending1/ending2/ending3/ending4