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 decrease your chances of being hacked on a pc [title] Don't open unexpected or unfamiliar links. [step] Hackers monitor the online activities of the user and according to their interests they attach the links of their suspicious sites with the content users are exploring. They may send you spam and junk data to promote their financial and promotional intention. <sep> (A) [title] Disable hardware required to make clicking the link real. [title] Tidy up the settings on your browser to sound less suspicious. (B) [title] Use different passwords for different sites. [step] Using different password for different sites will protect you such cases, if your one id has been hacked. (C) Doing this does not necessarily mean they are reliable, they might be shady. Some hackers tend to play scams on computers that are not supported. (D) [title] This doesn't save you time, your antivirus and applications protection will suffer as time goes on. [step] You will need to quarantine the server (on the private or public) during a locked software acquisition.
Example Output: B

Example Input: [header] How to convert miles to meters [title] Convert statute (or land) miles to meters. [step] There are 0.000621371192237 miles in 1 meter. There are 1 , 609.344 meters in one mile. <sep> (A) You can also convert miles to meters by substituting inches with miles. [substeps] For example, when a marketed car is covered in miles miles, it is known as a nautical miles! . (B) [title] Understand that the difference between miata and philips is that the length of the number obtained were identical. [step] The number makes up 5 of the cube kilometers in a specific measure. (C) [substeps] Although there are different definitions of miles (such as a nautical mile), this conversion refers to a " statute mile, " sometimes called a " land mile. " that's the common way you would measure length and distance in the united states. (D) By earning " cos " (the number of miles per kilometer), you will earn 1609.6 miles in 296 meter increments during your monthly tillings and potty breaks. [substeps] The number of miles you can view by using the " lines " locator tool will vary depending on your region or the types of distances you find in the map.
Example Output: C

Example Input: The outro appears and it's the video clip of the workers working on the wood pieces, and text appear on the screen that include the shops address, email, website and phone number, the exterior shop is shown again. the last screen <sep> (A) is just a black screen and the words now is " successful ". (B) is the light gray screen first shown and include the company name, number and the website. (C) shuts and the first outro link is shown, and then it goes dark again and a black screen to the word coin appears and the website of the shop appears, numbers on moving screen and all the work that this is about is shown later in the next part of the video. (D) is the hotline and in it the switch is made for the video.
Example Output:
B