Please choose the correct ending to complete the given sentence: Using the rowing machine: A large exercise machine is shown. a man

Ending1: is inside the machine, using the gadget. Ending2: sits down and starts working out on the exercise machine. Ending3: then holds the handle of the machine as well as the back of the head and then a frisbee is thrown. Ending4: sits in front of the machine, then pulls back on a handle bar and prepares to do hand stands.

Answer format: ending1/ending2/ending3/ending4