Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to cure cast iron [title] Clean the cookware. [step] It doesn't have to be 100 percent bare metal--scrape it off with a metal implement and then scrub repeatedly with small amounts of baking soda and soap until it stops making the soda black. [title] Rinse thoroughly and dry.

Ending1: [step] This will allow the iron to melt the loosened ice crystals. Once you turn the stovetop off, completely dry it with a microfiber cloth. Ending2: [step] Leaving the cookware bare has the potential to harden and deteriorate so make sure it is free of stains. [title] Brush as much of the rest of the cast iron iron as possible with a cotton ball dipped in room temperature water. Ending3: [title] Choose a pot of water (the quantity needed is usually about a teaspoon's worth of water per 1 gallon. [step] - 2 liters is an ideal ratio). Ending4: [title] Pick a neutral, food-grade oil with which to season your cookware. [substeps] Vegetable oils like sunflower, safflower, " light " olive oil and canola are suitable.

Answer format: ending1/ending2/ending3/ending4