Please choose the correct ending to complete the given sentence: Triple jump: A man is practicing indoors, he is doing intervals of jumping while running. Once he lands in the sand he goes back to start again. he

Ending1: does this over and over each time starting farther back. Ending2: goes around in circle for a couple of times. Ending3: is teaching himself how to run with his feet in the sand. Ending4: then shows how to do several splits with his legs as a practicing athlete.

Answer format: ending1/ending2/ending3/ending4