Please choose the correct ending to complete the given sentence: Using the rowing machine: A woman pulls on a rowing machine in a gym while others exercise or walk by in the background. The woman pulls on the machine a second time. the woman

Ending1: in white is standing at a desk talking. Ending2: pulls on the machine a third time. Ending3: pulls on the machine two after the second time and continues exercising on the machine. Ending4: puts the machine together and talks.

Answer format: ending1/ending2/ending3/ending4