Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to remove hair dye from a wall [title] Test the alcohol on a small area. [step] Wet a cotton ball with alcohol and rub it on an inconspicuous spot on the wall, first. Check for stains, discoloration, or residue.

Ending1: If the alcohol does not come off with rubbing, there could be alcohol fumes in the air. [title] Run a hairdryer over the spot to rinse it down. Ending2: If it returns to a lighter hue after using alcohol, there may be a problem. Apply more alcohol to see if the area is dry. Ending3: [substeps] Wash the cotton ball in dirty water and dry it on a towel. Set this on the stain and rub it a second time. Ending4: If the alcohol produces any unwanted affects, then try a different method. [substeps] You should always test products and solutions on small, hidden areas first before using them on larger surfaces to avoid unwanted effects.

Answer format: ending1/ending2/ending3/ending4