Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean a grease filter [title] Make sure the appliance is turned off and cool. [step] If you're removing the grease filter from a range hood, make sure the ventilation system is off and the surface is cool to the touch. If it's cool, any grease deposits will be hardened and easier to remove.

Ending1: You can also remove the grease with a bowl of water and a cloth or sponge. [substeps] All appliance models have a time threshold which could change as you clean. Ending2: [title] Pour the grease out of the vent. [step] Use a mild soap and water to pour the grease out of the vent hole. Ending3: [title] Scrape off as much as possible with a plate or brush. [step] Don't scrape too hard; you want to work slowly. Ending4: [substeps] Some microwaves also have grease filters. If you're cleaning a microwave filter, unplug the appliance before removing the filter.

Answer format: ending1/ending2/ending3/ending4