Please choose the correct ending to complete the given sentence: Elliptical trainer: A woman is riding on an elliptical machine. She uses the pedals and handle bars to steer as she goes. she

Ending1: goes faster and faster, often dropping back on the bike at various speeds. Ending2: bends down and adjusts the position of the machine. Ending3: continues to instruct the camera. Ending4: continues riding before an ad for the trainer appears.

Answer format: ending1/ending2/ending3/ending4