Please choose the correct ending to complete the given sentence: Elliptical trainer: A small boy plays on a stair stepper in a store. We back up and see the boys legs. the camera

Ending1: shifts and we see the other boy. Ending2: pans right and we see the boy swinging on the stepper. Ending3: shifts and we see a man quickly wiping his legs. Ending4: zooms in on the boy again.

Answer format: ending1/ending2/ending3/ending4