Please choose the correct ending to complete the given sentence: Mooping floor: A lady walks through a room pushing a mop. The lady demonstrates how to squeeze the handle. She then shows how to mop a large floor. the lady

Ending1: continues to play with the wheel and slide it on the floors. Ending2: brushes the floor clean. Ending3: then shows how to wash the mop pad in the machine. Ending4: moves the mop across a narrow horizontal bar.

Answer format: ending1/ending2/ending3/ending4