Please choose the correct ending to complete the given sentence: Mooping floor: A man demonstrates how to clean a tile floor with bleach, a bucket and a mop. a man

Ending1: talks to a camera while holding a mop before the screen cuts away to 6 videos of him progressively mopping a floor. Ending2: measures the floor with a mop. Ending3: is wiping plaster on the floor in front of the camera. Ending4: demonstrates how to clean an iron.

Answer format: ending1/ending2/ending3/ending4