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:
An introduction comes onto the screen for a video about rock climbing and a man introduces what will happen in the video. a men in a blue shirt <sep> (A) is doing a jump and falling off, then he begins to climb along the rock face with another by him. (B) stands behind a rock wall talking. (C) is shown climbing all the way to the top of a rock. (D) and the interviewer is inside of a gate in a park and he begins by jumping up to the top of a roofed wooden fence to do various things.

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 man starts chopping a piece of wood with an ax. he <sep> (A) bends down and picks up a large axe. (B) comes near the tree again. (C) stops and points at the wood that he chopped. (D) picks the wood back up and throws it into a pile.

Ex Output:

D