Please choose the correct ending to complete the given sentence: Elliptical trainer: A woman uses a nordictrack exercise machine. the exercise machine

Ending1: does dismounting moves with arms up. Ending2: is shown by itself. Ending3: is not doing its very well and it blows up and sprays blood. Ending4: is displayed on you's worksurface.

Answer format: ending1/ending2/ending3/ending4