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". 

Input: Consider Input: [header] How to make silver nitrate [title] Wear proper protective equipment. [step] The chemicals necessary for this process are highly toxic and can lead to injury if not handled properly. Eye protection, gloves, and a lab coat are necessary to remain safe. <sep> (A) You should also wear long, loose sleeves or long pants to protect yourself from these hazardous chemicals. Be sure you wear good quality work clothes. (B) Long pants and closed-toe shoes, preferably without mesh, should be worn to protect against floor spills. [substeps] Eye protection should completely cover your eyes and the sides of your eyes to protect from splashes. (C) Your lab coat can protect your skin and prevent pollution while working. Ask your local hazardous waste management company to provide you with an appropriate safety gear. (D) Wear full, protective safety gear as well to get the job done effectively. [title] Choose a location for your lab lab.

Output: B


Input: Consider Input: [header] How to become a loner [title] Find productive ways to spend time alone. [step] Loners often spend time alone to recharge after spending a lot of time socializing. You can do whatever you want when you're alone, which is one of the great things about being a loner. <sep> (A) Join a club or craft project that excites you. [title] Visit a library, movie theater, or a school newspaper. (B) However, since you'll be spending a great deal of time alone, learn to use that time wisely. [substeps] Learn a new skill, or use your alone time to focus on your hobbies. (C) [substeps] Your solitary time is important because it helps you feel more involved in doing a variety of things. For example, you could pretend you're an explorer or go hiking. (D) [substeps] If possible, try your hardest to take a break every hour of the day to " recharge. " this is also one of the best ways to distract yourself from your thoughts and worries.

Output: B


Input: Consider Input: [header] How to do a 5 strand french plait [title] Detangle your hair thoroughly. [step] If your hair is prone to tangling, dampen the ends to stop knots forming while you're working. [title] Brush your hair straight back, away from your face. <sep> (A) [step] Avoid pulling your hair to one side, but gently separating your hair into three halves. [title] Wash your hair, using a clarifying shampoo if your hair is long or thick. (B) [step] Don't use your fingers since they'll twist and make it easier to adjust. If your hair is wavy, try to use a pair of wide-toothed brushes with plastic bristles. (C) [step] Start just above your temples, and draw your thumbs horizontally through your hair until they meet at the back of your head. You should now have a reasonably sized section of hair to start working with. (D) [step] Make sure to brush towards the crown of your head. [title] Curl your hair with a hair straightener if desired.


Output: C