Write the next sentence in the following story.

How to clean drains
Treat your drain with white vinegar, baking soda, and hot water.
This can help eliminate odors caused by the buildup of bacteria, grease, and organic residue in your drain. It can also help clean out residue to prevent a future clog.

Select from: *Combine 1 part distilled white vinegar and 5 parts hot water. Add 2 tablespoons baking soda and stir to incorporate it into the water in your sink.. *Pour of a cup (118 ml) of baking soda down your drain, followed by a cup (118 ml) of white vinegar. Cover or plug the drain immediately and let the mixture sit for about 15 minutes.. *Boil water in a kettle or pot on stove. Add two cups of white vinegar and let it come to a rolling boil over low heat.. *Mix 1 tablespoon (15 ml) of white vinegar and 1 cup (240 ml) of hot water into a spray bottle. Shake the bottle a few times and spray the mixture into clean areas around your drain... The answer should be
Pour of a cup (118 ml) of baking soda down your drain, followed by a cup (118 ml) of white vinegar. Cover or plug the drain immediately and let the mixture sit for about 15 minutes.