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 find a mesothelioma attorney [title] Determine the jurisdiction. [step] Before you get started on the search for an attorney, you must make sure you are clear about the appropriate county, or parish, and state in which to bring your claim. A lawsuit should be brought in the county, or parish, and state in which the person you are suing, called the defendant, lives or operates a business. <sep> (A) You should obtain a general business office in each county where the person you are suing lives or operates a business. Consult your general business offices for use by you. (B) [substeps] Do not limit your search to your local community. Your case may be filed in a different state to where you live. (C) Filing in the county may be a more efficient means to initiate a lawsuit. [substeps] In a civil case, you can file a complaint in the local court. (D) [substeps] If you follow the guidebook below for where to find an attorney, find one. It's a matter of personal preference.

Ex Output:
B


Ex Input:
[header] How to change trackpad settings on macbook pro [title] Find the system preferences. [step] Starting from your main desktop screen there are two ways to find the system preferences where the mouse and touchpad settings will be located : [title] Bring your cursor to the bottom screen and find the system preferences application. [step] The icon looks like a box with three gears inside it. <sep> (A) Open that to find all your system preferences. [substeps] Alternatively, you can use the spotlight feature. (B) On macbook pro this icon resembles a round blue square with a horizontal green dot on it. On other applications this icon is actually a box with a gear, and is small in appearance. (C) It can be located on the taskbar or in the upper left-hand corner of the window. [title] Let the system preferences application perform its work. (D) [title] Click the customize key in the dialog box. [title] Follow the on-screen instructions to change the customization function.

Ex Output:
A


Ex Input:
[header] How to acclimate to hot weather [title] Start with light recreational activities. [step] When you're first getting used to the heat, it's best to take things nice and easy until you know how you'll respond. Go for a brisk walk, toss a football around or take care of a little yard work. <sep> (A) Just be careful not to overdo it-being out for too long can quickly leave you feeling drained. [substeps] You may not be ready to jump right into your normal routine if you've recently relocated somewhere warmer. (B) Then find somewhere that's more comfortable and quiet, and stay there for the duration of the day. [substeps] You could take your dog for a hike around the neighborhood, share a cup of tea together in the backyard, or play video games online. (C) Start slowly with lower levels of activity like cooking, gardening or just going for a run. Get creative and move around an area or just let loose and have fun doing small things. (D) Start with light, fun activities that release high-tension and increase endorphins, which can greatly improve your mood. [substeps] Cycling, swimming and tennis are all great choices of exercise the first few times you're out in the heat.

Ex Output:

A