Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to clean a bissell carpet cleaner [title] Flush the machine after each use. [step] Fill the water tank with hot water. Set the machine to high traffic and the handle to the recline position.

Ending1: Move the machine back and forth on the carpet while pressing the spray trigger for fifteen seconds. Let go of the trigger, then press it for another fifteen seconds while moving the machine back and forth on the carpet. Ending2: Do not submerge your cleaner in water. If it's too hot, it might burn your tile, not to mention the dirt on the floor. Ending3: Use a damp cloth and soap to wash the dirt and bacteria away. The manufacturer manual or hire an attendant to wash the machine at your convenience. Ending4: This is the most efficient way to clean your cleaner, rather than letting it sit for too long on the machine. [substeps] If there is any liquid left in the machine after 2-3 washings, leave it behind.

Answer format: ending1/ending2/ending3/ending4