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:
[header] How to ask customers for feedback [title] Use a survey. [step] Surveys are the easiest method for collecting feedback. You can create a survey on surveymonkey and then send an email to your clients. <sep> (A) You can also post a link to the survey on your twitter and facebook pages. [substeps] Consider posting short surveys on your website using qualaroo or an equivalent tool. (B) This gives you a much-needed opening to discuss your feedback. [substeps] Write a survey that states how well the company is doing. (C) Keep in mind that you are going to be giving customers feedback about your company. The survey can be in the form of a written question or business letter, a presentation or post, or forum. (D) Be sure to include your real name so that the survey can be retrieved and someone else can reach out to you if needed. Customers then will be able to find you and send you back their feedback.

Ex Output:
A

Ex Input:
[header] How to bond with your boyfriend through sports [title] Ask genuine questions about your boyfriend's interest in sports. [step] People feel close to people who convey interest in them. Try asking your boyfriend genuine questions about sports and his interest in them. <sep> (A) This can help spark an exchange of interest. Some excellent questions to ask might be : [substeps] " i really enjoyed watching soccer when i was younger. (B) This will show the person that you are genuinely interested in learning more about their interests. [substeps] You can also ask questions about your boyfriend's favor, appreciation of the good game or general enjoyment of sports. (C) While such questions can seem pointless, it can be a great way to bond and find common ground. You should also ask open-ended questions like, " so what do you like about football? " or " what do you like about your band? " [substeps] Be upfront about asking good questions about your boyfriend's interests. (D) This can help you get to know about his passions more, increasing your bond. [substeps] If it's a new relationship, starting with the basics is fine.

Ex Output:
D