Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean a mattress [title] Remove pillows and decorations from the bed. [step] Before you can clean the mattress, you must remove everything that's covering it. Start by removing the top layer of items, including pillows, decorative pillows, blankets, toys, and other objects.

Ending1: [substeps] When you remove your pillows for sleeping, take the pillow cases off and throw them in the laundry basket. Fold up blankets and move items from the bed to a different part of the room so they're out of the way when you clean. Ending2: [substeps] Choose a flat surface so you can work quickly. A dropcloth or piece of newspaper will work fine. Ending3: Throw away anything that is not removed before replacing it. [substeps] If all your toys or decorative objects are still wrapped in some sort of wrapping paper, tear them up and toss them out. Ending4: [substeps] Peel or chip pillows away until you reach the corners of the mattress. Clean with a feather duster, a toilet scraper, a toothbrush, and gloves for particularly dirtied mattresses.

Answer format: ending1/ending2/ending3/ending4