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 use dance movement therapy [title] Find a certified dance therapist. [step] Search for a therapist who is qualified to provide dance and movement therapy. The person should be a registered dance therapist. <sep> (A) Three-dimensional and dynamic dance therapy will be hard for a dance therapist to follow. Asking for a referral can take several months and is expensive. (B) If you are not employed or licensed, you may qualify for regular sessions with her or him. If you work at a dance studio, you might want to consider a person with a dance degree through the national dance accreditation council (a&r) or the accreditation (tacp) commission on dance activity therapy. (C) This means they've completed extensive training in clinical work using dance therapy and can provide high quality care. [substeps] You may find a dance therapist through a program at a local hospital or at a therapy clinic. (D) There are other career paths than dance therapy, like dance or music therapy, but these do require evaluation by an independent therapist. Evaluate the methods the dance therapist uses to improve your technique and control your dance moves.
Example Output: C

Example Input: [header] How to check the real bitrate of audio files [title] Understand the bit rate and its affection on the audio quality. [step] Though audio quality depends on many elements such as frequency, compressing method, up-scaled, etc. , but for almost audio files downloaded on the internet, if the bit rate is high (~ 128 kbps or higher), then the sound will be clearer and " more comfortable " to hear. <sep> (A) Video quality can also be affected based on sound, and you should check the rest for your information. [title] Convert the distinct sound from the selected file into your own file format. (B) If the bit rate is low, you may hear it blurring, noisy and unclear. [title] Understand that the bitrate tag of audio files may not tell the true bitrate. (C) To slow this down, give a slight undertone in your tone. ( ex: with hp this sounds like 3/16, and then " about ethe mugin. (D) [substeps] If you're using an external cd, try using the setup as a guide. A good lead recording allows you to check the second batch of files.
Example Output:
B