sentence: A shiny mopped floor is shown. sentence:  A janitor is shown rolling rugs, scraping gum, putting out signs, and mopping floors. sentence:  He goes into a closet and picks out the cleaner he uses while he talks about it. sentence:  He sprays water and the cleaning solution into his mop cart. sentence:  He is then shown mopping the floor with the solution. sentence:  He takes everything apart and puts it away before washing his hands for the day.