Please choose the correct ending to complete the given sentence: Long jump: . an athletic man wearing a track suit and a bib number 171

Ending1: does a back flip into the sand. Ending2: is walking on a track and warming himself up. Ending3: is running down river in a marathon while holding a camera and in slow motion. Ending4: stands in a gym facing a large crowd.

Answer format: ending1/ending2/ending3/ending4