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".

Input: Consider Input: [header] How to use pomade [title] Pick between oil based or water based pomade. [step] Oil based pomade is the more traditional choice, but water based is a bit more popular. The choice depends on the look you're going for with your hair. <sep> (A) [substeps] Oil based pomades tend to be the a bit less expensive than water based pomades. They give a much greasier and shinier look than water based, and they typically have a much stronger hold. (B) When you can opt for oil based, your hair will have the smooth, glossy look you want. If you want the pomade to have a more polished finish, look for a one sided pomade. (C) [substeps] Oil based pomade may look great when you put hair in a ponytail or bun, while water based pomade doesn't add much volume and requires much more work. Other oils low in taste, such as coconut oil can make hair easier for you to twist and style. (D) [substeps] For medium length hair, shave your legs down to your toes to style it nicely. For longer hair, shave a small pile of hair up about half an inch in front of your face.

Output: A

Input: Consider Input: [header] How to end an email [title] Reaffirm your purpose for writing. [step] This isn't necessary for short emails or quick responses to someone's question. If you wrote a long email, though, or if you are dealing with multiple subjects or concerns, add a brief concluding sentence to summarize your information or request. <sep> (A) The ending sentence will let the recipient know what you included and why. " i have an article to talk about and you want me to verify that my account is up to date " is a good example of ending an email. (B) [substeps] If, for example, you are applying for a job, you may include information regarding your credentials and experience. You can then summarize your email by writing, " based on my background and experience, i believe i would be an excellent candidate for this position. (C) Then, look at the subject line you write about to see what your concern is. [substeps] For example, you might write, " appointment. (D) For example, if you email an email about a problem, you might write: " i wanted to apologize for treating the problem such as the late termination. " [substeps] This doesn't have to be specific.

Output: B

Input: Consider Input: [header] How to boost immunity with exercise [title] See your doctor. [step] Almost any person can boost immunity through exercise. However, what exercises and times are best for you may vary depending on your overall health. <sep> (A) Schedule an appointment with your doctor to see you are able to do a moderate exercise program to stimulate your immune system. This can ensure you are healthy enough for exercise, especially if you aren't currently exercising. (B) Call your doctor before starting any exercise regimen to check for specific recommendations or guidelines. Be sure to get this information before you begin any one-on-one activities so you don't put unnecessary stress on yourself. (C) Talk to your doctor about starting a exercise regime for yourself, and discuss which exercises and times fit into your schedule. [substeps] Your doctor will want to see your physical and mental health so that he/she can make sure that your body is healthier. (D) Speak to your doctor about which exercises are beneficial for you and consider ways to increase your immunity. [substeps] Periodically check your calorie profile to determine the recommended amounts.
Output: A