Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to remove mildew from sheetrock [title] Remove the source of moisture which is supporting the mildew before trying to remove the mildew. [step] If it is a wall or roof leak, patch or repair it. If it is simply condensation, like moisture in a bathroom or shower, you may need a ventilation to remove humidity from the room.

Ending1: Ask the following questions to see if using a ventilation vent can dry out the room, even a tiny amount; damp floors are often neglected. [title] Spray down the bathroom vents to reduce odors. Ending2: [title] Scrape away any solid pieces of wallpaper, rug, or carpeting. [step] The moisture in a strip of wallpaper of any shade or color can cause mildew to grow by jumping between sections of fabric and walls. Ending3: [title] Prepare a solution of one cup chlorine bleach with water to make one gallon. [title] Pour your solution in a spray bottle. Ending4: If you cannot find a ventilation in your home, contact local department stores or commercial air-conditioning companies to see if there are any air systems that would provide additional ventilation. [title] Use a utility knife to slice through the mildew producing leak.

Answer format: ending1/ending2/ending3/ending4