In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

Example Input: He then discusses what to do when a sunburn does occur, how to handle it to take care of your skin. a slide <sep> (A) shows that he should be in a building showing how to iron, then he begins by giving the results of another remove. (B) shows a person's finger and toe nails are shown before he jumps on an ironing board to iron. (C) show of a razor obtain; first is placed in a glass, then in a bowl. (D) is shown to make us aware of when a sunburn is bad and needs medical attention.
Example Output: D

Example Input: [header] How to whitewash trim [title] Set up your working area. [step] Cover the floor with a drop cloth to keep dust and whitewash off of it. Open screened windows and doors to provide ventilation. <sep> (A) Keep the temperature low to avoid fumes and keep your work area clean. Additionally, have at least one sheet of newspaper in case a lightning storm or other electrical emergency strikes strikes your home. (B) Set all of your supplies in a corner of the room so you know where everything is. [substeps] If you don't have a lot of experience painting, use painter's tape to tape off areas you don't want to get whitewash, like the walls. (C) [title] Consider using a small piece of velcro, preferably one in a similar color, to lock in moisture in the paneling. [step] For smaller boards, make sure to allow at least 24 hours for the patch to dry between applications. (D) You may also want to swing curtains over them for a soft and light cleaning that will come before whitewashing. There are online projects to do, or you can perform laser removal yourself.
Example Output: B

Example Input: [header] How to feed a red bellied parrot [title] Choose a formulated bird feed. [step] Red bellied parrots need a diet made specifically for small and medium-sized birds. A formulated diet provides extra vitamins and minerals that your bird would get naturally in the wild. <sep> (A) Measure out a ratio of 10 to 15% protein to 1600 calories (around 236 mg). [substeps] You can cook produce or feed the bird whole fruit like blueberries, pineapples, or strawberries. (B) Use source parrot feed that is easy for a novice parlorer to see and taste, but doesn't contain alcohol, sulfates, polyunsaturated fats, tobachols, corn, rye, nectarines, and oils. [substeps] Fresh bird feeds are available at your local pet store. (C) You can purchase either a pellet or seed-based formulated diet for your bird at a local pet store. [substeps] While a bird feed is vital to your pet's health, bird feed alone is not adequate to keep a red-bellied parrot healthy. (D) Not all parrots are formulated to be fed properly, so make sure to pick a bird feed specially formulated for your species. [substeps] Find a store that provides wild parrot feed.
Example Output:
C