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:
. four bikers at the start of the line <sep> (A) get no a jump. (B) are wearing different colors of uniforms and helmets, they are about to get start the race. (C) leave and race towards a parking lot on the right. (D) go on the parallel bars but they can't take off their bikes.

Ex Output:
B


Ex Input:
[header] How to reduce calories in coffee drinks [title] Use a low calorie sweetener. [step] Replace teaspoons of sugar added directly into your coffee with a low calorie or no-calorie sweetener, such as splenda. Follow the directions on the package regarding serving size and resist the urge to add extra. <sep> (A) You can also request this substitution when ordering at a coffee shop. [substeps] It is best to choose sweeteners that do not list " aspartame " as one of the ingredients. (B) Sweet drinks containing no sweetener limit should do the same. [substeps] Four servings for a half-ounce glass of coffee will give you seven servings. (C) Sugar-sweetened coffee drinks can cause you to feel full and merry, as they add less calories to your coffee and save you time and energy. It's best to avoid this throughout the day. (D) Typically, this amount of sugar is equivalent to a light sized shake, but it could be less to add to a light, calorie-heavy shake. [title] Drink more juice, if at all.

Ex Output:
A


Ex Input:
[header] How to help stop police brutality [title] Share news stories about police brutality. [step] When you see good-quality articles about police brutality, especially those connected to recent events, share them on social media sites like facebook and twitter. This will help keep the topic fresh in the minds of your friends and followers. <sep> (A) You can even make a news page dedicated to your precinct or neighborhood, and give people posted online about police brutality relevant to your neighborhood. Cover these fan-fiction very well by understanding the facts that are relevant to your area. (B) [substeps] It can also be a great way to reach out to other people about police brutality. Many people will be sympathetic, even if they don't fully understand the danger or the costs for criminal action, and it can help cut down on potentially startling images of violence and embarrassment. (C) The good articles, and the news you've already shared, are also more likely to be read, because you'll be a link between the good and the bad. [substeps] Posting good news is key to providing easy access to world wide web news databases. (D) [substeps] Before posting an article, double-check the publisher and writer to make sure it isn't a form of fake news. Make sure you post about non-political things as well, that way people don't tune you out.

Ex Output:

D