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". 

Ex Input:
[header] How to teach your dog to speak [title] Choose your reward. [step] Pick something your dog really loves; the better the reward, the easier it will be to teach your dog. If your dog loves to play, you can try using her favorite toy and playing with her when she barks. <sep> (A) In some cases, you can train your dog to bark through verbal praise. [substeps] Figure out your dog's reward based on cultural context. (B) Point out what your dog likes to play with and put a look on the chart indicating what she wants to learn. [title] Tell your dog to " sit ". (C) Most people, however, will find that treats are the most effective way to teach a dog. The best treats will be ones your dog loves, and which are also easy to carry, easy to break into pieces, and healthy. (D) If her bark is off-putting, encourage her to try other tricks, to avoid barking. [substeps] If you provide a toy or two, this will be enough to train your dog to try the reward.

Ex Output:
C


Ex 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.

Ex Output:
C


Ex Input:
A cutout of obama's head is seen clipped on a person playing drums in front of a large crowd with cameras flashing and audience members reacting. more clips <sep> (A) are shot of obama playing drums, people talking and a person standing near them as the man continues to play for more clips. (B) are shown of the now dead president and the band playing. (C) are shown of people playing drums in various locations ranging from in tube after tube. (D) are shown of politicians speaking as well as old movie clips and music videos.

Ex Output:

D