Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean a foam mattress [title] Take off your bedding. [step] Start by removing the blankets, duvet, sheets, pillows and mattress cover. Wash your sheets and mattress cover.

Ending1: In this order, remove all non-fabric items except the blanket. If you have more fabric down, take a pair of scissors and snip off as much of it as possible. Ending2: [substeps] If you made your bed, you'll need to clean it as well. Remove the mattress cover from your bed frame and leave it to dry for an hour so all the dirt can be removed. Ending3: Measure the length and the width of your mattress cover and similar pieces of fabric. Use a ruler and lines to make the measurements. Ending4: To keep a clean mattress, you will need to regularly clean all of the layers that go on top, such as the mattress cover. With everything off the mattress, you are ready to vacuum.

Answer format: ending1/ending2/ending3/ending4