Write the next sentence in the following story.

How to clean leather interior
Wipe your interior down monthly.
Since it's harder to get leather interior clean once it's heavily soiled, try to wipe down the leather monthly. Use the most gentle method with a soft cloth and water first, and if grime is stubborn, use an all-purpose cleaner second.

Choose from: [I] Dampen a rag with spray-on bleaching solution and wipe it over your interior. Start with a rag that has been thoroughly soaked in the solution.. [II] Vacuum loose dirt with a plastic attachment. Accumulated dirt will wear leather interior out, because it rubs into the surface.. [III] Avoid sponges and cloths and use an all-purpose cleaner last. Dab circular motions at stubborn stains.. [IV] Take your chosen cleaner and rub the stain in the same direction as the suede. Brush it off with a soft-bristled brush... The answer should be
[II]