Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean soot from brick [title] Put on rubber gloves to protect your hands during the cleaning process. [title] Place a drop cloth, tarp or plastic around your work area. [step] You may want to have some newspaper on hand to help absorb sloshed water, drips from the sponge or wet bottoms of buckets.

Ending1: [substeps] While you clean sooty bricks, some soot and ash can dislodge from the fireplace. If you don't put down a protective layer, you will have additional soot stains on your carpet to clean. Ending2: For exterior landscaping, add the drop cloth until it is a hand-length length of thick layer. For driveways or garages, use a weight ranging from 1 yard (30 cm). Ending3: [title] Sprinkle very fine grit sand onto the soot after rubbing with your pencil. [step] Start with small amounts, to avoid a rough distribution. Ending4: [title] Use a metal or glass broom to sweep soot off of the wall. [step] Nothing goes better than the great clean! [title] If there is no soot left behind, use a rag to wipe the soot out from the wall.

Answer format: ending1/ending2/ending3/ending4