Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean mineral deposits [title] Remove coffeemaker deposits with equal parts of vinegar and water. [step] Fill the water reservoir with half white vinegar and half water. Turn on the coffeemaker.

Ending1: Fill it back up and brew it for thirty to sixty minutes, until the water turns cloudy and cups start to shake. [substeps] Start by pouring white vinegar into the coffee maker's opening and turning it on. Ending2: Halfway through the cycle, turn it off and let it sit for an hour. Then, turn the coffeemaker back on and finish the brew cycle. Ending3: Allow the coffee machine to brew for 30 minutes at high heat. [substeps] Coffee grounds may be spilled anywhere on the desk. Ending4: Connect the carafe to a power source, then let the water fill to within a quarter-inch (6.35 mm) range of the kettle. Check to see if the carafe is full, as most home-brewing coffee machines are usually full by now.

Answer format: ending1/ending2/ending3/ending4