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 remove malware [title] Understand that viruses, trojans, worms, spyware and bots are all malware that can damage your system. [substeps] A trojan is software that may look legitimate, but tricks you into downloading it. It then activates, and can delete files and steal data or give the perpetrator access to your system. <sep> (A) An administrator is a person with whom you can password protect your database. A trojan is a type of perpetrator that can use your database, copy and resize, hack into users' databases and earn your trademark. (B) [title] Verify that your computer has a dedicated shutoff defroster. [step] In theory, you would press the power key to turn it on and off while running the software program. (C) Helix can easily catch this software, so make sure you are safe. [title] Find the error button and quickly click on it in the settings section. (D) A rootkit can be downloaded unknowingly along with other programs that you install. It can hide on your computer and can avoid normal means of detection.
Example Output: D

Example Input: [header] How to learn to speak afrikaans [title] Take an introductory afrikaans class. [step] Enroll in an introductory class at a local community college, or at a language learning center. You can also find organizations dedicated to language learning online. <sep> (A) Online classes are convenient because you can learn at your own pace. [substeps] Taking an introductory class will help you develop a solid foundation in the language. (B) Online afrikaans are very easy to learn, and they are easy to translate. [substeps] You can get an introductory afrikaanic class at a language learning center. (C) [substeps] The language federation at the children's development center maintains a directory of all language learning organizations across all states. You can also find native afrikaans reading online through the font bar at the bottom of the page or clicking " language group " in the top right corner. (D) [title] Immerse yourself in afrikaans from a young age. [step] Select a language you are receptive to and that you truly understand.
Example Output: A

Example Input: The boy enters the stage and begins hula hooping with many white hula hoops while people on the side watch. the boy <sep> (A) grabs the hula hoop and spins it around his body wearing one leg on the ground and jumps up and spins even faster to fill in the empty seat. (B) ends in a floor hula hoop routine before the woman returns to the stage, shakes his hand, and he leaves the stage. (C) then stops for a little bit and goes back to where he started. (D) then slows down and begins to jump into hoops.
Example Output:
B