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".
Input: First the man introduces himself and what he does. Then he shows us how he paints a picture of nature. next he <sep> (A) shows us a wheel in the tire of his car. (B) takes items off the table next to him in front of several brushes and paints them. (C) puts stickers on the tree to finish the stuff. (D) gives an introduction to materials and an understanding of pigments and he talks in between his lessons.
Output:
D