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:
A man sits down by the sidewalk playing a guitar. A black man approaches to watch the guitarist perform. a woman <sep> (A) approaches to sing with them and they begin to have a conversation. (B) stands by recording the performer. (C) comes holding a guitar made out of materials. (D) at various functions watches on as the guitarist plays.

Ex Output:
B


Ex Input:
A man is seated cross legged watching a show. A man is kneeling in front of the crowd, talking. he <sep> (A) continues talking as the crowd is enraptured, listening to his every word. (B) is recording himself as he talks, getting himself ready and keeping his form. (C) talks as the man rinses the machine with soap. (D) speaks while perusing the music.

Ex Output:
A


Ex Input:
A person adds browned leafs to the campfire. A person uses a stick to move the leaves inside the fire. a person <sep> (A) removes dust from a log and a campfire light. (B) puts on a lid to protect the wood. (C) moves backwards away from the fire. (D) adds dried fruit and leaves to the fire.

Ex Output:

C