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:
[header] How to wear a sport coat [title] Learn the difference between a sport coat and other coats. [step] Though they're commonly conflated, a sport coat is not a blazer or a suit jacket. Sport coats need not match the fabric of the pants, as you'd find with a suit jacket. <sep> (A) The sport coat should also wear dark wash jeans and a tie. [substeps] Sports coats especially stick out in the summer and stay in place at night during the day. (B) Instead, they have a specific pattern or color used in place. Once you find a sport coat, stay in mind that it needs to be closely tailored. (C) In fact, many sport coats are used to cover up " casual " or something too formal, like a suit or slacks. Sport coats typically go below the knee or above. (D) The biggest difference between a sport coat and a blazer is that sport coats are patterned, while blazers are made of solid fabric with a contrasting color of button. [substeps] Stylistically, sport coats are sometimes a slightly looser fit than other kinds of dress coats, allowing for outdoorsy use and " sporting.

Ex Output:
D


Ex Input:
A man dressed in yellow and black winter clothes ice fishes on a a frozen lake. The man is reeling in a fish for a long time. the mans catch <sep> (A) more fish and throws them to the side. (B) finally reaches the surface. (C) a fish for dinner by making a wish with his mouth. (D) one and puts it on a fishing pole in the lake.

Ex Output:
B


Ex Input:
[header] How to find the best flight simulators for pc games [title] Consider your pc or laptop configuration. Before you are buying flight simulators, you will need to take into account the graphic settings of your pc. [step] The higher the resolution is the better. <sep> (A) Windows also needs to consider the current viability of the game. The higher the resolution, the more difficult your game is to install. (B) [title] Know what kind of software you are using. [step] While a lot of the teamwork in buying flight simulators is done on computers, there is not much you can do with a data connection. (C) [title] Consider flying simulators that work well. [step] These will be used either on windows or macos. (D) Just ensure that the video card and software will be able to deal with the speed and you will have enough memory for running pc games. [title] Take into account your favorite pc games.

Ex Output:

D