Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to clean a broiler pan [title] Fill the broiler pan with hot water. [step] If your broiler pan has sides that allow it to hold water, set it on your counter and fill it with water. If the broiler pan has slats or is flat with no edges, put it to soak in the sink or a plastic tub or a basin that's large enough to hold it.

Ending1: [title] Sprinkle the pan with flour. [step] Use a clean, breadboard board or a fork to sprinkle a spoonful of flour all over the pan. Ending2: Make sure the whole surface with cooked-on food is covered with water. [substeps] Warm or cool water may work, but hot is more effective. Ending3: Also fill the pan's bottom rack with water. [title] Set the broiler to high. Ending4: [substeps] Leave the pan in the hot water for five minutes. Open the lid to let the water run into the pan, and then turn it off.

Answer format: ending1/ending2/ending3/ending4