Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean moldy grout [title] Get an n-95 respirator. [step] Inhaling mold spores is very unhealthy for your respiratory system. For this reason, it's important that you get a respirator or a facemask that can filter out the spores.

Ending1: You can purchase an n-95 respirator at most hardware stores or online. [title] Pick up a pair of goggles when cleaning mold. Ending2: If it doesn't, return to the manufacturer to see what worked. If you were not able to get one, you should know that mold spores are intensely poisonous to humans and animals. Ending3: You can choose one of these from a local hazardous waste collection company website. [substeps] As you're shopping around, read the label to make sure that it's safe to use. Ending4: Some specialized brands of respirators and masks include window filters, tub filters, and clown face masks. [title] Fill a cup with white vinegar and water.

Answer format: ending1/ending2/ending3/ending4