Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to steam clean carpet [title] Remove everything from the room. [step] Steam cleaning is most effective when you remove all toys, papers, and general clutter from the floor. Move all tables, chairs, and furniture out of the room.

Ending1: Rinse the steam mop under warm water. [substeps] This method can work for all types of furniture, including upholstered furniture and sectional chairs. Ending2: It is also important to only use hot water when absolutely necessary. The intense heat from the steam will zap off dust particles and cause the carpet fibers to break down. Ending3: Clear as much of the floor space as you can. [substeps] If some furniture is too heavy to move, place squares of wax paper, foil, wood blocks, or plastic film under the legs to protect them from the moisture of the steam cleaner. Ending4: Add air freshener or a combination of essential oils so that the steam is not any more effective. [substeps] Places that can get cluttered include under dressers and on high shelves.

Answer format: ending1/ending2/ending3/ending4