Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to get water stains off a ceiling [title] Find the source of the moisture. [step] You may find an obvious leak in a pipe or fixture on the floor above the damaged ceiling, but it may also be more difficult to pinpoint. [substeps] If you don't locate the source of the moisture prior to doing the repair, the problem will just keep coming back.

Ending1: Wear gloves, safety glasses and a dust mask while looking for and repairing the leak. Depending on how long the leak has gone unrepaired, there could be mold present. Ending2: This can only be prevented by replacing a leaking leak with another fixture. Moisture generated by a leak will also lead to damage. Ending3: If the leak is recurring, then you probably need to get rid of it before it lingers. You can sort out the leak by calling a mechanic or an electrician if you have no problem figuring out what's causing the problem. Ending4: Luckily, small water leaks are usually removed by scraping away the grime and dirt with a razor blade and a plunger. Vent fans may also be able to circulate ventilation through a damaged ceiling.

Answer format: ending1/ending2/ending3/ending4