Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to get a stain out of a microfiber couch [title] Pour a small amount of rubbing alcohol on a white towel. [title] Rub the stain gently with the towel. [step] Be sure to contain the alcohol to only the stained portion of the couch.

Ending1: [title] Wipe it clean of any excess alcohol. [title] Repeat 2 to 3 times until the stain is removed. Ending2: You do not want to completely saturate the couch, as this can make the discoloration worse and leave a stain. [title] Let the rubbing alcohol sit on the stain for a few days. Ending3: Rubbing alcohol can be harsh on microfiber. If you take the rubbing alcohol out too early, it can cause discoloration on the material and stain. Ending4: [title] Go over the stain with a microfiber rag or paper towel to get it out. [step] Do not rub in too hard because rubbing can cause the stain to break down faster.

Answer format: ending1/ending2/ending3/ending4