Please choose the correct ending to complete the given sentence: Tumbling: A gymnast prepares to run at the end of a mat. he

Ending1: then runs at top speed, spinning and flipping foward down the mat. Ending2: runs and then jumps to land on the mat. Ending3: runs between poles, then across the arena. Ending4: runs and jumps, but he is having difficulty for the first two stretches.

Answer format: ending1/ending2/ending3/ending4