Please choose the correct ending to complete the given sentence: Health: [header] How to clean earplugs [title] Fill a bowl with warm water and soap. [step] Fill a small bowl with enough warm water to completely submerge your ear plugs. Add a few drops of a mild soap, like dish soap.

Ending1: Gently swirl the water around in the bowl until it dissolves. [substeps] If you prefer warm water, use around 80% warm tap water to clean your earplugs. Ending2: Mix the water and soap together until all the water is submerge. [substeps] You can also store the earplugs in a clean container in your home. Ending3: Swish the water around in the bowl a few times to coat both sides. [title] Sprinkle melted dish soap over the plugs. Ending4: Mix the water with a stirring utensil, like a spoon, or with your clean hands to distribute the soap through the water. [substeps] Ear plugs that are regularly used should be washed whenever visibly dirty or every few days.

Answer format: ending1/ending2/ending3/ending4