Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to quickly clean your house for unexpected guests [title] Start with a walkthrough and a trash bag. [step] Before you start any actual cleaning, remove all trash from rooms your guests will spend time in. Throw away any old magazines, trash from food, and work-or school-related papers.

Ending1: Wipe down every floor, wall, and a short hallway. Get rid of any scuff marks from meat stains or nail repairs. Ending2: [substeps] Replace any trash and plastic in every room in your house. Mop stairs regularly so that dust doesn't build up in any cracks. Ending3: Sweep and vacuum regularly to keep floors clean. [substeps] Make sure all bedrooms are well-ventilated and clean. Ending4: These messy items are the first things your guests will notice, so they should be the first that you clean up. [substeps] If you have time before guests arrive, do a second walkthrough with a laundry hamper.

Answer format: ending1/ending2/ending3/ending4