Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean ceilings [title] Vacuum the ceiling. [step] Simply take the vacuum and gently run it along the surface of the ceiling. Depending on the type of vacuum you have, you may be able to vacuum a substantial amount of debris before doing anything else.

Ending1: Taking the vacuum to the furthest out of the reach of a child or pets, however, may remove large particles, leaving smaller, more visible particles behind. [substeps] If no other means of cleaning the ceiling are available, use a wet-bristled toothbrush to sweep corners of the ceiling. Ending2: [substeps] You can also vacuum pipes and ducts regularly. Take measurements in inches or meters depending on how extensive the vacuum is. Ending3: [substeps] Use a bristle-brush attachment or another attachment intended for easily-scratched surfaces. Extend the telescoping shaft of your vacuum, if you have one. Ending4: [substeps] To begin with, use the brush attachment on your vacuum's nozzle and vacuum across the entire surface of the ceiling. Set the brush attachment to the highest setting and start vacuuming along the entire surface.

Answer format: ending1/ending2/ending3/ending4