Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to clean alloy wheels [title] Rinse the wheels to remove dirt and brake dust. [step] Spray them with a hose attachment that delivers a fine stream of water. [title] Rub the wheels lightly with a wet sponge.

Ending1: [step] A sponge is the object you will be using to clean the rims. A sponge is your vehicle's primary tool for cleaning alloy wheels. Ending2: [step] Use a soft bristled brush to apply the sponges over the wheels. Using deep, circular motions, work the sponges into the tire surface. Ending3: [step] With the left hand, rub and buff out the dirt. [substeps] As the wheels soften up, the dirt drains out of them, causing the wheels to feel rougher to your hands. Ending4: [step] Starting the process this way will remove most of the remaining brake dust and dirt, preventing you from scratching the wheels when you scrub the surface. [title] Remove dirt and debris from alloy wheels with a store bought cleaner.

Answer format: ending1/ending2/ending3/ending4