Please choose the correct ending to complete the given sentence: Tumbling: . a young man dressed in a blue and white uniform

Ending1: is standing on a red runway preparing for his routine. Ending2: is putting ankle watch on he a black down spf the grass, parked on a driveway. Ending3: with white gloves is standing in front of a brick building holding a dust mop and holding two large metal buckets of dirty dirt to making small splashes. Ending4: is just hitting a stick with a bell strapped to it.

Answer format: ending1/ending2/ending3/ending4