Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to clean a fondue pot [title] Fill the fondue pot with water to the level of the residue. [step] If the residue goes all the way to the top of the pot, fill the water to about an inch below the top. [title] Place the pot on the stove if it's stovetop-safe.

Ending1: [step] Stainless steel fondue pots are usually stovetop safe, but check the safety directions before putting it on the stove. Some stainless steel pots have glass or ceramic inserts that cannot be heated on a stove. Ending2: [step] If your fondue pot is stovetop-safe, you will need to fill it up to the appropriate height. All you have to do now is place a few inches from the rim of the pot about twice as high as your desired height and press the same button three times. Ending3: [step] Later, you may notice that the fondue pot has a filter attached to it. Remove the filter and set the pot on the burner. Ending4: [step] Leave enough space at the top of the pot to allow the water to fill the pot enough to level off the top, but not so much that the cover slices or clicks. [title] Put the lid on the pot and turn the heat up.

Answer format: ending1/ending2/ending3/ending4