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: We see a man teaching others to sharpen a knife in a butcher shop. The man wets the sharpening stone. Two men in the back laugh at something. the instructor <sep> (A) shows us a basket of pennies. (B) checks the knives and uses the sharpened knife to sharpen a one. (C) uses a sharpening rod for the knife. (D) puts a paper in the sink.
Example Output: C

Example 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.
Example Output: A

Example Input: [header] How to catch a bee without getting stung [title] Dress appropriately. [step] Before you even think about approaching the bee, you need to dress the part of a bee catcher. Of course not everyone's going to have a bee catcher's suit to protect themselves from getting stung. <sep> (A) Don't wear business casual clothing, as that will only be a distraction instead of an effective one. Try to wear something like shorts and a button-down. (B) But get comfortable feeling like yourself and ready to battle. [title] Choose whether to attack the bee or not. (C) Instead, dress as best as you can. Cover up as much of your skin and face as you can. (D) However, if a bee catcher's suit is appropriate, wear it. If you're at a party or event, make sure a coat and long pants are on.
Example Output:
C