<human>: Objective: To clean the body of a tuba

Which of the following solutions is more sound in terms of naive physics reasoning?

OPTIONS:
- Remove and disassemble the tuba's slides and valves. Place the tuba on top of a towel in a bath of warm water and a little soap. Rub gently with a wash cloth. Pour out water.
- Remove and disassemble the tuba's slides and valves. Place the tuba on top of a towel in a bath of warm water and a little soap. Rub gently with a scouring pad. Pour out water.
<bot>: Remove and disassemble the tuba's slides and valves. Place the tuba on top of a towel in a bath of warm water and a little soap. Rub gently with a wash cloth. Pour out water.