Please choose the correct ending to complete the given sentence: Doing kickboxing: One man in blue shorts is kicking the kicking pad worn by the other man in black shorts. two men that are barechested

Ending1: are standing on a court holding set of balls. Ending2: and sax hands each other a plastic tube. Ending3: are standing on the side walk in a roofed gym. Ending4: are boxing each other outside the boxing ring.

Answer format: ending1/ending2/ending3/ending4