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:
Some texts pops up on the screen. A video of bulls being hurt by people starts playing. text <sep> (A) pops up on the screen again. (B) switches to clips of bulls running away from the camera. (C) shows up of a youtube video. (D) goes onto the screen that say something about feeding bulls and how to lift their horns.

Ex Output:
A


Ex Input:
A girl is riding on a yellow riding lawn mower on a very large yard filled with green grass. when the girl <sep> (A) makes it to the end of the lawn, she stops, takes a deep breath, gets off her horse and walks away. (B) stops, she is standing in front of an able to reach yellow dirt path to prepare her destination. (C) reaches the end of the yard she makes a turn and drives up in the same direction she just came from. (D) reach the end of the yard, she looked around and started to turn around and walk back to the beginning.

Ex Output:
C


Ex Input:
[header] How to negotiate buying a used car [title] Identify what type of car you want. [step] Part of effective negotiation is knowing the car's true value. In order to find out how much the car is worth, you need to know what car you want. <sep> (A) For example, the amazon dealership might be able to provide a discount on an old car, but you will get a lower rate for a newer vehicle when buying a used car. [substeps] It is very important to identify the condition of your vehicle. (B) You'll need to identify the details that are obviously unique to the car you are buying, particularly if you are looking to use it for a cause. [substeps] Pick a car that provides the best service and reliability. (C) Come up with a limited list of cars that you want to buy. Also come up with a range of years. (D) In some cases, you might find a used car that has already been sold for a discounted price to you. Other cars will ultimately be worth less than the current price.

Ex Output:

C