Please choose the correct ending to complete the given sentence: Using the rowing machine: She sits on an exercise machine while speaking to the camera. Three other people are near her, also on exercise machines. the woman

Ending1: turns around two times, pulling a handle and smiling before turning back around. Ending2: then begins to use the exercise machine. Ending3: rearranges herself as the men talk. Ending4: practices some of her exercise moves on the treadmill.

Answer format: ending1/ending2/ending3/ending4