Write the next sentence in this paragraph:

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

Possible answers: (1). goes back and forth over the dumbbells while talking about each one.; (2). shows how to dismount the dumbbells to jump them onto a mat.; (3). steps up and down on the dumbbells.; (4). then demonstrates the exercise bike and continues to bike along with some other women at the gym.;
(4).