Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to clean and maintain a tuba [title] Read all warnings and prepare containers of water, etc. [step] Before starting. [title] Remove and disassemble all slides and valves, remembering how they go back together.

Ending1: [step] Be careful cleaning surfaces such as the strainers, double-tong handles, etc. [title] Pour water and get a cloth or a towel into water bucket of a sink to clean your instrument. Ending2: [title] Take the body of the tuba and set it on top of a towel in a bath-tub full of warm, not hot, water and a little mild, non-abrasive soap. [step] Rub gently with a washcloth to remove all yucky stuff. Ending3: [title] Dip a digital tuner into one gallon (3.8 l) of water and access it to the pump valve. [step] Loosen the discs at the bottom of the drum with a ratchet, then slide out the tuner valve, then remove all slides. Ending4: [title] Re-slide any slides that are loose of the cover. [title] Clean the fittings with water and antibacterial soap that has been provided.

Answer format: ending1/ending2/ending3/ending4