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: [header] How to sleep peacefully, and have good dreams at the same time [title] Relax before bed. [step] If you have a hard time getting to sleep, you should take some steps to help you relax and prepare for bed before you want to go to sleep. Spending some time relaxing and clearing your mind can help you to fall asleep more quickly and sleep peacefully through the night. <sep> (A) [substeps] Take a few breaths before bed, if you feel like you may need it. When you feel sleep approaching, take some deep breaths. (B) When you get up in the morning, make sure you have plenty of time to gather your thoughts before bed. Even a quick cup of coffee and some breathing exercises before bed can help you drift into sleep. (C) [substeps] Take a shower and do some light and relaxing activities before bed. If you can, do them before you do anything else. (D) There are lots of different techniques you can try to help you relax before bed, such as : [substeps] Practicing some gentle yoga stretching. Progressively tensing and then relaxing the muscles in your body.
Example Output: D

Example Input: [header] How to learn to speak afrikaans [title] Take an introductory afrikaans class. [step] Enroll in an introductory class at a local community college, or at a language learning center. You can also find organizations dedicated to language learning online. <sep> (A) Online classes are convenient because you can learn at your own pace. [substeps] Taking an introductory class will help you develop a solid foundation in the language. (B) Online afrikaans are very easy to learn, and they are easy to translate. [substeps] You can get an introductory afrikaanic class at a language learning center. (C) [substeps] The language federation at the children's development center maintains a directory of all language learning organizations across all states. You can also find native afrikaans reading online through the font bar at the bottom of the page or clicking " language group " in the top right corner. (D) [title] Immerse yourself in afrikaans from a young age. [step] Select a language you are receptive to and that you truly understand.
Example Output: A

Example Input: [header] How to conk hair [title] Use a lye-relaxer if you have coiled or curly hair. [step] Traditionally, conking hair was done by making a homemade relaxer with lye. Lye-relaxers are strong enough to straighten hair that is curly or coiled. <sep> (A) To make one, use the tip of a spoon. Place the bristle head of the spoon into the palm of your hand. (B) They may also help straighten out the split ends. [substeps] Be aware that the extra thickness help hair relax and become smooth. (C) But hair preserved in the lye bath can be treated with at least a couple of days' worth of hair spray or leave-in shampoo. Lye's high oxalate content is important for hair's longevity. (D) [substeps] Lye is a strong chemical that can burn your skin and hair if too much is applied or it sits on your hair too long. Always use lye-relaxer with caution, preferably with help from a friend.
Example Output:
D