Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean a valuable oriental rug and remove stains [title] Determine the material that the rug is made of. [step] Rug treatment varies depending on the kind of stain, its age and its chemical composition. The steps below cover a' do it yourself' economical stain removal procedure, but looking up more information on your rug material is recommended to be certain that you're using the best procedure for the rug.

Ending1: [title] Soak your rug in a bowl of cold water for five minutes. [step] While this is probably the most recommended method for soaking your rug, it works. Ending2: [substeps] If you are able to, use scissors or other utility shears to cut the rug to the right size. This will allow you to access both edges of the rug and assure easy cleaning. Ending3: [title] Cover newly made spills immediately with dry towels. [step] Always blot a stain, never push the liquid or solids into the rug. Ending4: Generally, when polishing rugs, the best solution is to use a paper towel to dry the rug. [substeps] A cloth towel will wipe away any excess water, but any other kind of towel will do.

Answer format: ending1/ending2/ending3/ending4