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 make absinthe cocktail [title] Mix a simple blend. [step] Add 3 parts ice-cold water to 1 part absinthe. For a single serving, this is roughly 3 ounces of absinthe (or 3 shots) to 1 ounce of absinthe (or 1 shot). <sep> (A) [substeps] If you don't like the bitterness of the mixture, you can dilute it with 1 ounce of milk or cider vinegar instead. If you don't like the strong, milkier flavor, you can substitute nothing at all. (B) Place the absinthe in a cocktail shaker. [substeps] This drink will only last if you serve it in a cup, as the glasses will be fairly small, and will take up a lot of room. (C) For each single serving, stir in 1 teaspoon of sugar. [substeps] Alternately, absinthe can be sipped neat if you prefer the undiluted taste. (D) [title] Add the ingredients to the cocktail shaker. [step] Stir the absinthe mixture well with a cocktail spoon.

Ex Output:
C

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

Ex Input:
[header] How to set macgo mac blu ray player as default player [title] Download mac blu-ray menu player and install it at once. [step] There will be watermark on your screen if you play blu-ray with the trial version. Only 39.95 dollars for the full version of mac blu-ray menu player for now, please buy mac blu-ray player with discount. <sep> (A) [title] Click " check file associations " under " tools ". [title] Click and macgo mac blu-ray player will be your default player. (B) [title] Choose your video size and port size from the dropdown menu at the top of mac blu-ray menu. [step] Once you have downloaded the blu-ray menu player and installed it, you have to choose your video size and port size. (C) [title] Run the make app and then the itunes installer. [title] Determine the output type for each file in your mac blu-ray player. (D) [title] Uncheck the sidebar at the bottom of " applications ". [step] These are the files that are currently currently on your mac blu-ray player.

Ex Output:
A