Please choose the correct ending to complete the given sentence: Spinning: A woman dressed in gym clothes is doing a tutorial on spinning in a gym. She is demonstrating the dumbbells that she will be using. she

Ending1: goes back and forth over the dumbbells while talking about each one. Ending2: shows how to dismount the dumbbells to jump them onto a mat. Ending3: steps up and down on the dumbbells. Ending4: then demonstrates the exercise bike and continues to bike along with some other women at the gym.

Answer format: ending1/ending2/ending3/ending4