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: A woman is showing paintings of her work. An instructional slide is shown. The woman is explaining the materials used. she <sep> (A) opens a paint case and shows the art inside. (B) then describes the brushes she uses. (C) shows how to sharpen shears. (D) lays out towels and rakes them.
Output:
B