Please choose the correct ending to complete the given sentence: Triple jump: A man in an athletic outfit and a paper number pinned to his chest paces on a sports field. the man

Ending1: takes off running after the ball and throws it onto the field. Ending2: demonstrates using a long string to crawl across a hilly and rocky track, and holding the string to point out obstacles. Ending3: begins to push against another man wearing the yellow fitness clothing. Ending4: runs a distance and performs a long jump.

Answer format: ending1/ending2/ending3/ending4