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 sideload a modern ui app on windows 8 [title] Download the app's package the developer provided for sideloading. [title] Open the file. [step] It should contain : [substeps] A powershell script the application's. Appx package a security certificate app files, resources and dependencies. <sep> (A) A detailed description of the project/development progress to see which app stands out. [title] Make sure you download the right app. (B) [title] Extract the installation folder from the application. [step] It is up to the developer regarding what file to extract. (C) [title] Right click the powershell script and click' run with powershell' in the menu that appears. [title] Click the' open' button in the security warning that appears. (D) [title] Open the installation tab [title] Connect the installer. [step] You are ready to start the javascript application by plugging the 107 usb cable into your socket.

Output: C


Input: Consider Input: [header] How to ease multiple sclerosis symptoms using cool temperatures [title] Determine if you would benefit from cool temperature treatments. [step] Consider whether or not your symptoms get worse during hot or humid weather. Your symptoms may even get worse if your house gets too hot or if you run a fever. <sep> (A) Cold therapy may help as well, but remember that it is just temporary, not as painful as heat treatments. [title] Determine if you need to visit your doctor. (B) [substeps] Cool temperatures are a myth; but they are true nonetheless. Hot may reduce your body's temperature, which in turn can lead to excess sweating. (C) For example, if you realize that the numbness and tingling in your arms gets worse when you don't run your air conditioner, you would probably benefit from cool temperature therapy. [substeps] Your response to heat might even be the first sign of ms you experience. (D) Consider whether you need to receive humidifiers, chamomile tea, or another herbal remedy. [substeps] Cool and humid temperatures may also cause heat sensitivity.


Output: C