Please choose the correct ending to complete the given sentence: Elliptical trainer: Man is standing in front of a white cloth in a studio doing exercise in an elliptical machine showing the characteristics of the bike. woman

Ending1: is doing the same that the man, watching the elliptical and doing exercise. Ending2: is riding the bike with outro intro and the screen name. Ending3: is sitting on front of a cup and is standing in the elliptical machine. Ending4: stand courtroom talking in a stationary bike doing exercise in an elliptical machine.

Answer format: ending1/ending2/ending3/ending4