You will be given a definition of a task first, then some input of the task.
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".

A man is seen speaking to the camera indoors as well as outdoors. He points to several objects while leading into dirt being shown as well as plaster. people <sep> (A) work on the roof while another man tries to clean it while still speaking. (B) are seen chipping away at more school supplies as well as brushing down the wood while showing pictures of people. (C) are seen putting plaster all over the walls while the man continues to speak. (D) are seen using tools to demonstrate how to clean and move objects and others are seen cleaning at the same time.
Output:
C