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 lance and drain a blister [title] Assess the blister before choosing to drain it. [step] Not every blister needs to be lanced. In fact, some experts recommend that you should only drain blisters that are exceedingly painful, in weight-bearing or high-contact areas, or larger than 0.8 inches (2 centimeters) in diameter. <sep> (A) [substeps] If the blister is intact and manageable, try to keep it intact. Apply a piece of moleskin, adhesive felt, or tape. (B) In these instances, you need to check the blister to determine if it needs a leak-proof drain. [substeps] See the " how to drain a blister " section of this article for instructions. (C) [title] Make a decision whether or not to drain the blister. [step] If the blister is very painful, medical sterilization is an option. (D) [substeps] There is no one right way to do this, so you have to be sure that you have the right technique. It is not as easy to clean a blister as to rinse with water and applying a sterile dressing.
Example Output: A

Example Input: People are seen walking around a neighborhood with some walking dogs. A young girl walks a dog around the area. another man <sep> (A) walks on a leash behind the dogs. (B) walks in and out of frame while juggling balls. (C) follows her from behind. (D) walks a horse and leads into credits showing horse grooming tools.
Example Output: C

Example Input: [header] How to host web sites [title] Get a static ip address. [step] This is connected to your isp (internet service provider), and you will probably need to upgrade your internet plan to be permitted to host a website. [title] Secure a fast 24/7 internet connection. <sep> (A) [step] Navigating to where the internet is, establishing a encrypted connection, and accessing an advanced web browser, will sometimes seem very daunting. However, if the website is a fake, you should simply secure a simple connection that can be manipulated in real time. (B) [step] Multiple connections are best; otherwise your website will be down whenever there's an interruption in your internet connection. [title] Find a stable system for your computer. (C) [step] Vls5 is another option that might save you some trouble choosing one if you're looking for a good host. [substeps] A quick internet browser will usually work fine in a remote server. (D) [step] Easy access to your internet server is via an ethernet cable. Internet hotspots always have a built in router to use, and you may need to turn your router on or off, depending on the router.
Example Output:
B