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". 

Example Input: [header] How to find out if a good friend is crushing on you [title] Pay attention to their posture when you're around. [step] If your friend is crushing on you, their body language will probably be more open, and they will usually stand with their body turned towards yours, even in a group. [substeps] If your friend has a relaxed posture, with their torso facing towards you, it's a sign that they feel at ease. <sep> (A) If their shoulders are hunched, they may be pressed against you. If they'll just stand in silence, it's a sign that they're not interested. (B) It may mean they like you or it may just mean they are comfortable being around you. Watch for signs that your friend's posture has changed around you. (C) They may also be putting down their phone or tapping their feet. [title] Observe how they look around you when talking to others. (D) They may look up at you a few times throughout a conversation and nod or smile occasionally to show that they trust you. [title] Pay attention to their general body language.
Example Output: B

Example Input: [header] How to buy common stock [title] Find an online broker. [step] The easiest way to work with a broker today is online. You'll open an account with the broker and then deposit money into the account. <sep> (A) When you receive money back, you can make your payments without a current account. Brokers are licensed to do large, complex transactions, so don't hesitate to go to a broker if you are buying large amounts of stock. (B) Then you can search online for those stocks you're interested in investing in. [substeps] Some financial brokers you may consider are miller, a&m, airchat, and bankrise. (C) You can find online brokers by searching online. Some of the more popular include the following : [substeps] Charles schwab e * trade td ameritrade optionshouse [title] Identify if you want a full-service broker instead. (D) Most brokers offer deals to you either on your own or at low interest rates. However, if you don't have an online broker, you should look at a few online brokerages in your area.
Example Output: C

Example Input: [header] How to write a well written research paper [title] Choose your topic. [step] Get online or do book research. For your online research, do not use wikipedia, ask, etc...use only documented sites such as time, college sites, and government websites. <sep> (A) [title] When taking notes, do not copy word for word, that is plagiarism! [step] You will not get credit for doing that. Use a maximum of three to five words and document the web address and page number. (B) [substeps] Make sure you know in advance all the statistics that you need to get done before you write. You'll need these data to support your report or potential writing assignment. (C) Get your research on a sheet of paper before writing your research paper. On your research paper, write the important, immediate, etc. (D) This will look sloppy; it's better to use an academic topic rather than a scientific one. [title] Consider your topic when deciding on the paper.
Example Output:
A