Please choose the correct ending to complete the given sentence: Vacuuming floor: A backpack vacuum is sitting on the floor. A man puts the backpack on his back. He unplugs the vacuum and plugs it back in. he

Ending1: moves it around to the back side where it is vacuum cleaned very well. Ending2: removes the vacuum and replaces it. Ending3: turns off the vacuum and cleans the desk with the vacuum back and fourth. Ending4: starts vacuuming the stairs.

Answer format: ending1/ending2/ending3/ending4