Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to unclog a slow running bathroom sink drain [title] Gather your materials. [step] Instead of relying on drain cleaner products, which are often corrosive and can cause allergic reactions and respiratory problems, you can use household items you likely already have. You will need : [substeps] Rags baking soda vinegar lemon boiling water [title] Measure out your ingredients.

Ending1: [step] Again, you will need to use a measuring spoon to measure out your dry ingredients and the other wet ingredients. However, here are some things to consider : [substeps] Prepare the dish you will be using (restaurant sauce). Ending2: [step] Take ¼ cup of baking soda , 1 cup of white vinegar, and 1 large pot of water to boil. Have a rag or sink stopper handy. Ending3: [step] Pour the cleaning solution into the sink basin. Keep in mind that although cleaning products sold by businesses require frequent stirring or plunging, the cleaning solution will react with the laundry detergent specifically designed for this purpose and remove odors from the sink. Ending4: [step] If you don't already have the ingredients associated with your homemade sink cleaner, you'll need them. Using a measuring spoon to measure out your ingredients will help you account for how much water you use.

Answer format: ending1/ending2/ending3/ending4