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". 

Input: Consider Input: [header] How to make simple five minute frosting [title] Beat the butter in a medium-sized mixing bowl until smooth and fluffy. [step] You can use an electric mixer or a food processor. [title] Add the powdered sugar a small amount at a time. <sep> (A) [step] Use the stand mixer to mix the ingredients on medium speed until smooth and sugar dissolves. Add the vanilla, milk, and eggs. (B) [step] It will increase the strength of the frosting gradually. [title] Once 1 ½ teaspoons of powdered sugar is added, whip the butter. (C) [step] The mixture will appear dry and crumbly at first, but it will become smoother. [title] Gradually stir in the half-and-half or milk until you have reached your desired consistency. (D) [step] The more powdered sugar the healthier the frosting is. [title] Add the vitamin e oil, and stir to combine.

Output: C


Input: Consider Input: [header] How to make a great first vlog [title] Make sure that you have the right equipment. [step] You don't need an expensive dslr camera and microphone, but you should have a camera that can handle video in 720p at the very least. You should also have an external microphone that hooks up to the camera. <sep> (A) Your vlog will only work if you have a mp3 player. [title] Get good quality editing software for your camera. (B) [substeps] For digital vlogs, you will need one with both video and audio capabilities, such as a vlog. [title] Change the camera speed when you make it first vlog. (C) [substeps] If you have a smartphone (or even a tablet), you don't need to buy any equipment to complement it. Sound is just as important as video, so don't neglect your microphone if you buy a dedicated one. (D) [title] Set up your vlog in a well-lit area. [step] If you plan to be shooting at night, you might as well go indoors, or it might be too stuffy and possibly might be too warm.

Output: C


Input: Consider Input: [header] How to survive ap chemistry [title] Review all of your old notes from chemistry class. [step] If you don't have those, ask somebody who has taken neat notes from a prior class and study those. The main point here is to simply refresh your memory: you're not going to remember it all or even be close. <sep> (A) [title] Walk into ap chemistry with some confidence. [step] Don't be intimidated: just do it. (B) This will take some of the fun out of getting your notes back. [substeps] Ask someone who has taken good notes to see what they have remembered. (C) [title] Take the sat remedies course your teacher has offered to you and supplemental lessons. [step] Tests, quizzes, computer games, and ps3 movies all have to be fun if you are not learning through a good sat. (D) [title] Know that ap chemistry is more of a team sport than just being a part of it, if you are new to it. [title] Read about current events and you'll feel like you know something.


Output: A