Please choose the correct ending to complete the given sentence: Vacuuming floor: A close up is shown of a very dirty floor being cleaned with a large vacuum. Words on the screen explain the strength of the vacuum as the person continues. the floor

Ending1: is then scraped and the vacuum begins to wipe down the floor. Ending2: is being cleaned at walking speed. Ending3: is shown shining over and over again in a drain. Ending4: is seen turned upside down while the individual vacuums the floor with the small white device.

Answer format: ending1/ending2/ending3/ending4