Please choose the correct ending to complete the given sentence: Elliptical trainer: Woman is talking to the camera in front of a large gym with a lot of estatic bikes in the background and people doing exercise. girl

Ending1: is doing sit ups and jumping hoid a pink rope. Ending2: is doing black riding on the exercise machine in the corner. Ending3: start doing exercise in the elliptical bike. Ending4: is in studio slackline in the workout room closeup, the woman is showing the form of the machine then demonstrates how to use it.

Answer format: ending1/ending2/ending3/ending4