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: As he continues to play, he grabs a black cloth and unfolds it over the drums to create a different sound. during the performance <sep> (A) , many photographers come on stage to film the guy until he finishes and the crowd gives him a standing ovation. (B) , the guitarist does his blower as he also plays his guitar. (C) , his face becomes agitated and there are spots of blood color visible. (D) he removes sealing tape from his drums and adds several other pieces to the same hole to finish the song.
Example Output: A

Example Input: [header] How to wear a graphic tee [title] Wear your tee under a jacket. [step] For a casual, yet tailored look, try wearing your tee underneath a blazer. The blazer should fit you well and have a certain amount of structure to it. <sep> (A) Try half-tucking your tee into your pants for a super cool, slouchy look. [title] Pair your tee with high-waisted shorts. (B) [title] Choose a graphic tee that matches the slimmest part of your body. [step] Vintage t-shirts and jerseys are the most common graphic tees. (C) Try on the blazer and pull it down at the waist to see whether it feels snug at the top. [substeps] A professional would be happy to accommodate your slimmer waistline. (D) If you are not feeling confident enough to wear your work shirt in a more casual way, then go ahead and throw the tee in the garbage. [substeps] Choose a solid colored tee for a more polished look, but if you can still slip it in without distortion, wear it under a gray top.
Example Output: A

Example Input: [header] How to treat pericarditis [title] Recognize the symptoms of a pericarditis attack. [step] Most pericarditis attacks come on quickly and do not usually last long. The most common symptom is a sharp, stabbing chest pain that may be in the middle or left side of your chest. <sep> (A) Patients with pericarditis attacks may also have trouble sleeping. They may also feel light-headed and dizzy. (B) The pain may also be in one or both shoulders or feel like a heart attack. Being able to recognize symptoms of pericarditis can ensure that you get prompt care. (C) This is usually accompanied by tenderness in the area. You can also feel hot to the touch pain. (D) In severe cases, this pain may last a few hours to several days and can get worse with repeated usage. It is best to relieve the pain with a corticosteroid medication that mimics the symptoms of pericarditis.
Example Output:
B