Please choose the correct ending to complete the given sentence: Mooping floor: A shiny mopped floor is shown. a janitor

Ending1: is shining a black shoe. Ending2: begins mopping, turning off lights and revealing the bottom of the floor. Ending3: wipes the hardwood floor with a can. Ending4: is shown rolling rugs, scraping gum, putting out signs, and mopping floors.

Answer format: ending1/ending2/ending3/ending4