Please choose the correct ending to complete the given sentence: Vacuuming floor: A person scrubs and dries a tiled floor with a vacuum. A person empties the contents of the vacuum in a white sink. ways a vacuum can be used

Ending1: is to unscrew tiles up. Ending2: is by cleaning the ceiling. Ending3: are showed in split screens. Ending4: to clean a room is shown in close up without cameras.

Answer format: ending1/ending2/ending3/ending4