Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to clean upholstery [title] Check your upholstery tag. [step] Upholstery can be made of many different materials or blends, and these have different cleaning requirements. Whether you can spot clean or deep clean will depend on the material.

Ending1: [substeps] Polyester upholstery uses petroleum-based stains to get rid of excess fabric. Plastic upholstery often requires a lighter red stain. Ending2: If your upholstery tag says your use " all natural " or it says commercial, be aware that it may be not accurate in this case. Most cleaning cleaners sold for windows and doors are certified thoroughly in the cleaning application and cleaning credentials type. Ending3: The tag may have some relevant information, or it may print the information directly on the material. [substeps] Vinyl materials are not as often cleaned, as vinyl material is a relatively resilient material. Ending4: Every upholstery tag should have a letter code on it that indicates how to clean the material, and they mean : [substeps] W for water: use water-based cleaning solutions, such as soap and water. Fabrics with this tag are often made from materials like polyester, nylon, acetate, and olefin.

Answer format: ending1/ending2/ending3/ending4