Please choose the correct ending to complete the given sentence: Using the rowing machine: We see a man on a rowing machine. The man adjusts the dial and works out more. we

Ending1: see him walking and talking, then relaxing in a chair. Ending2: see the man getting the finished machine. Ending3: see the man's hand on the handle. Ending4: see image of different tools.

Answer format: ending1/ending2/ending3/ending4