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". 

Ex Input:
The juvenile gives to the young man a shoe, then he sprays polish on the shoe and shows a toothbrush while talking. Then, the juvenile puts foam on the shoe and brush with the toothbrush. the young man <sep> (A) puts on white socks and fits on the shoe. (B) throws the shoe onto the table and rubs the shoe with white soap. (C) gives back the mirror to the juvenile and the juvenile waste the foam on his shoe, then he continues talking. (D) brushes the shoe with foam while they talk.

Ex Output:
D


Ex Input:
This is a tutorial on how to start a campfire. It shows the campfire burning on the ground. it <sep> (A) shows the chimney of the home. (B) shows how you can put a few around to have some light. (C) starts with the things you will need to begin with. (D) shows how to hold the fire and set the pot the just a bit to catch propane.

Ex Output:
C


Ex Input:
A person is seen dipping clothes into a bucket and smiling to the camera. The man washes the clothes all around the bucket. he <sep> (A) walks back to the camera and watches. (B) continues looking around and smiling to the camera. (C) takes out a clothing item and rinses it off. (D) continues cleaning up behind the curtain.

Ex Output:

C