Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to cook a sweet potato in the oven [title] Preheat the oven to 400 degrees fahrenheit (200 degrees celsius). [step] Line a baking sheet with nonstick aluminum foil. [substeps] If desired, you could coat the baking sheet with nonstick cooking spray or grease it with a little oil instead of using foil.

Ending1: Note that ungreased baking sheets may need to be replaced more often than ungreased. For a better tasting sweet potato, skip the other forms of baking. Ending2: Both of these choices are options you could also drizzle over the potato during the bake. For best results, you should wait until the top of the potato is just a bit charred. Ending3: [title] Slice the sweet potatoes and place them onto the foil. [step] Use a sharp knife or melon baller to cut each sweet potato in half lengthwise. Ending4: [title] Pierce each sweet potato with a fork. [step] Use the prongs of a fork to pierce each sweet potato about 6 to 10 times, spacing the piercings apart in a relatively even manner.

Answer format: ending1/ending2/ending3/ending4