Please choose the correct ending to complete the given sentence: Using the rowing machine: Once complete, the man grabs the rope and moves back and forth while pulling out the rope to exercise. now he

Ending1: 's standing on the rope same as a racehorse, swinging back and forth performing a rhythmic exercise track. Ending2: is really putting out the slack with the exercise and moving the robrace out front of his way. Ending3: is done, he drops the ropes and starts to talk again. Ending4: starts to man while still dragging the object behind him on the ground moving his arms.

Answer format: ending1/ending2/ending3/ending4