Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean with baking soda [title] Clean your walls. [step] Mix equal parts baking soda and water to form a paste. Apply to any areas blemished by handprints, crayons, or other dirty marks.

Ending1: [title] Scrub your walls with a commercial cleaner. [step] Mix regular white vinegar, a few tablespoons of baking soda, and one tablespoon of water in a spray bottle, or a measuring cup. Ending2: Wash the paste off after you've applied it. Either let it air dry on a paper towel or use a microfiber cloth. Ending3: Use a cloth to softly rub the mixture around the affected surface. Then use a dry cloth or paper towel to wipe away the paste. Ending4: The paste acts as a degreasing agent and cleans at least both interior and exterior walls. Let the paste sit for 5 to 10 minutes, then wash with washing spray.

Answer format: ending1/ending2/ending3/ending4