Please choose the correct ending to complete the given sentence: Health: [header] How to remove scratches from plastic lens glasses [title] Clean the surface of your lenses in order to determine where the scratches actually are. [step] Make sure to use a cleaner made specifically for glasses and a clean micro-fiber cloth. You can get this at any eye glass store or optometrist's office.

Ending1: [title] Apply a solution of water and cotton balls to the scratches. [step] Wet cotton balls and drop a full quarter-sized amount of the solution on the cloth. Ending2: Using warm water and detergent, thoroughly clean the scratched surface of your glasses with the cloth. [substeps] Depending on the materials your glasses are made of, you will be able to use old cloths to clean any scratches off of the lenses, including in the lens housing. Ending3: Empty the cleaner into a bowl to use for your own use. It should be safe for eyeglasses made from stainless steel or bought at a local shoe store. Ending4: In fact, they will probably give it to you for free if you have bought glasses there. [title] Apply scratch remover to your lenses.

Answer format: ending1/ending2/ending3/ending4