Please choose the correct ending to complete the given sentence: Using the rowing machine: Then, the woman puts her shoes in the rowing machine and starts to pull a handle with a string. The woman shows with her right hand the movement of her bottom. then

Ending1: , the woman drags the bar of the rowing machine. Ending2: , the woman keep the paddle and the rowing machine with the left hand. Ending3: , the woman adds the door handle to the rowing machine using a hand stick. Ending4: , the woman continues exercising, after she stops and talks again.

Answer format: ending1/ending2/ending3/ending4