Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to clean an oven without chemicals [title] Cut the lemons. [step] Cut two lemons in half. Squeeze the lemon juice into a baking dish.

Ending1: Put some water in the dish and sprinkle the lemon juice over the halves. Put on the oven mitts or use a face mask to cover the halves of the lemons. Ending2: Rub one half of the lemon directly into your oven's pan. Season the lemon oil with the juice of one lemon. Ending3: Wash the lemon in a dish washing machine (green or lemon juice works best). Place the lemon halves on a paper towel. Ending4: Put the rest of the lemons into the dish. Fill the dish a third of the way with water.

Answer format: ending1/ending2/ending3/ending4