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: A woman is shown leaning against a wall. Several ballerinas are shown in a room. different techniques <sep> (A) are demonstrated by them. (B) are shown for performance. (C) are shown for ballroom dancing. (D) are shown to teach the groups how to dance.
Example Output: A

Example Input: [header] How to restore a boat [title] Make a plan. [step] Plan your work by breaking everything down into sections, like chapters in a book. Chapter one is planning. <sep> (A) This is where your business development can start. Analyze the navigation board, take all the necessary materials and then create your grand vision. (B) This step is not yet complete, so you need to prioritize moving toward part 1 of the project. This will help you tackle all your major projects faster, so that you can review your own work by taking each section and remembering to include the steps in that section over time. (C) The next phase might be stripping the boat in preparation for the work. [title] Prepare a work site, gather tools and supplies, carve out a dedicated time on a regular basis with your schedule, consult experts in the field, and also outsource certain components as needed to certain experts. (D) Plan your time on your own to avoid confusion and frustration with each chapter. Be sure that you aren't scrambling for ideas as you go forward so that you don't get overwhelmed by too many ideas.
Example Output: C

Example Input: [header] How to buy a car on the internet [title] Before you go on any websites or look at any cars, do your research. [step] Know the best prices, the best deals, etc. - you'll want to know everything you'll need to know in the future about cars. <sep> (A) You don't want to unknowingly accept a deal that will rip you off! [title] Look at different websites that offer different cars. [step] Compare the prices and choose a website that offers the best deals. (B) So, if you're looking at a nice car, figure out what types of deals are available. If all you want is a fancy eco-vehicle, then take a look at websites like priceline who tout many affordable vehicles available online. (C) [title] Check out books and sites that require knowledge about cars. [step] Some good sources include the automotive section or goodrockers, the vpn, cvs, fax-and-fedex. (D) This may include car prices, vehicle mileage, registration, etc. You will also want to make sure the local auto shop will produce new cars for you.
Example Output:
A