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 man blows dead leaves of a backyard. a person <sep> (A) makes a pile of dead leaves. (B) is going down a hill on a lawn mower. (C) is raking the leaves from a large front lawn with a lawn mover. (D) comes along and vacuums the leaves.
Output:
A