Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean brick wall [title] Brush the wall with a broom. [step] Use the bristles of the broom to dislodge loose dust, dirt, cobwebs and other debris that's built up on the surface of the brick. Be sure to reach up to the top of the wall and into any corners or crevices that might be hiding dirt.

Ending1: [substeps] Brush horizontally away from yourself rather than straight down to keep from covering yourself in dust. An occasional sweeping will usually be enough to keep brick walls looking good between more detailed cleanings. Ending2: [substeps] Brushing the wall often will also catch the loose dirt from the previous step and free up more dust. [title] Deglaze with a coarse texture. Ending3: [substeps] If you build a brick wall, you should brush the surface daily and in between cleanings to keep the surface clean. [title] Sponge your brick wall with a small amount of water. Ending4: [substeps] Be sure to get into all the nooks and crannies you may not otherwise have access to. Take your time, as there's no sense leaving the brick underneath covered by a blanket or towel.

Answer format: ending1/ending2/ending3/ending4