Please choose the correct ending to complete the given sentence: Health: [header] How to make a room smell clean [title] Open any windows and doors in the room to create ventilation. [title] Pick up all the trash in the room, pack it in a garbage bag and take it outside. [step] Even if the item does not look like it should create a smell, it could be concealing another item that is creating a smell, so pick up all items that do not belong in the room and remove them.

Ending1: [title] Mess with any unused pots, pans, plates, utensils and dishes to get the smell under control. [title] Do not use the laundry room to make a smell. Ending2: [title] At the beginning, open up all all your doors, windows, and doors in your apartment. [step] This works best if you have just opened the doors. Ending3: [title] Close the windows after vacuuming and then open any vents in the room to create ventilation. [title] Dispose of the trash in a trash bag. Ending4: [title] Sprinkle carpet with a deodorizing powder, and let it sit for 5 minutes. [step] Vacuum the carpet thoroughly, moving any furniture that is able to be moved.

Answer format: ending1/ending2/ending3/ending4