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: There is smoke and lights and words on the screen. The smoke is rolling around a hat. a person <sep> (A) is blowing smoke out of their nose and smoke rings. (B) is competing in the curling game. (C) is cleaning the lenses of a large piece of glass. (D) is smoking from a can.
Output:
A