Please choose the correct ending to complete the given sentence: Mooping floor: An introduction comes onto the screen for a demonstration of a mop. the mop

Ending1: is used to clean the floor and sink using an install to wipe. Ending2: is shown being used in a figure eight motion to clean the floor. Ending3: is then shown being used on areas of a busy street. Ending4: man pushes a bucket back and forth across the floor with a mop.

Answer format: ending1/ending2/ending3/ending4