Please choose the correct ending to complete the given sentence: Spinning: An empty room of spin bikes are shown and a woman appears in the corner talking. While talking, she begins touching a machine, lifting its seat and talking about it specific functions. she

Ending1: then takes off the seat of the bike and shows off her leg in the end. Ending2: then rearranges it while using a hand hold machine to do the work. Ending3: finally gets n the bike and begins working out, while talking and adjusting the machine. Ending4: speaks about the head of the machine, how to adjust the tires spin lever and where to remove the tire.

Answer format: ending1/ending2/ending3/ending4