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 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.

Ex Output:
B


Ex Input:
[header] How to unlock tracfone mobile phones [title] Call tracfone. [step] Contact customer service at 1-800-867-7183 between 8:00am and 11:45pm, eastern time (et), 7 days a week. [substeps] If you did not buy your phone through tracfone, it is likely unlocked already, and no code is needed. <sep> (A) When you call, ask how long it should be on your phone or get a confirmation email for garfield. [title] Run an internet search for " tracfone mobile phones. (B) Look for a white box containing the code " 192.168.0.1. " if you do not see the code on the box, then replace it with the united states exit code (). (C) [title] Request an unlock code for your phone. [step] The representative will verify that your phone and account meet all the necessary conditions to be unlocked. (D) If you receive a voicemail notifying you that a call was unsuccessful, call customer service at 1-800-627-4590. [title] Place a text message (optional) on each call.

Ex Output:
C


Ex Input:
[header] How to travel with a ferret [title] Check state and local regulations. [step] Find out if ferrets are legal at your destination and in the areas you are travelling through. Ferrets are currently illegal in the u.s. states of california, hawaii, and the district of columbia. <sep> (A) The process to get a ferret from a pet store or breeder is pretty complex, and human contact is expensive. [substeps] Check national geographic listings for your pets. (B) [title] Use extreme caution when exploring restricted, outdoor areas. [step] Absolutely no matter where you're traveling, ferrets should be seen hiking, digging, playing in parks, walking around, and climbing trees and bushes. (C) Ferrets can also be found roaming the streets of hospitals, quiet places of business, and military facilities near large cities. Humans and ferrets should also be allowed to travel alone. (D) They are also forbidden in new york city and salt lake city. To find out if ferrets are legal at your travel destination, contact the department of fish and game, or the department of fish and wildlife in the area, and ask about restricted animals.

Ex Output:

D