Please choose the correct ending to complete the given sentence: Mooping floor: Man is in a room holding a mop and talking to the camera. man

Ending1: is cleaning a window with the mop. Ending2: is mopping the floor removing carpet and chairs to clean the floor. Ending3: is washing a black car. Ending4: press the lever and vacuum the floor of the room.

Answer format: ending1/ending2/ending3/ending4