Detailed Instructions: 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".
Problem:An asian man is standing by the keyboard, he is wearing a red shirt with black top inside. two people, one girl and one boy <sep> (A) are sitting behind the keyboard, playing. (B) , are playing loudly on the keyboard together. (C) are sitting, the girl is wearing a white top, while the boy is wearing a white stripe sweater. (D) are dancing and the keyboard man behind him thumbs the keyboard.
Solution:
C