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 build a passion for cooking [title] Make a list of your favorite foods to eat. [title] Go to your local public library website. [step] Type the names of these favourite foods into the search bar. <sep> (A) This will let you create your own lists of the foods you like to eat. Also, there will likely be a section where you can put your personal information about the food that you like. (B) If you are a parent, keep an internet encyclopedia online. Tell with the patient that you have a hard time remembering the specifics of these foods. (C) For each item, choose the cookbook that looks the most interesting and put a request on it. [title] Select the recipes that resonate with you. (D) [title] Pick up a crock pot and fill it with warm water. [step] Cook the mixture for a few minutes until the water is cold.

Ex Output:
C


Ex 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.

Ex Output:
D


Ex Input:
[header] How to use cruise control on a car [title] Locate your car's cruise control switches. [step] Usually, these are found either on the steering column (the part connecting the steering wheel to the dashboard area), or on the steering wheel itself. Controls found on the steering wheel usually consist of a few buttons. <sep> (A) If car's controls are located on the steering column, look for a lever that sticks out, often near a windshield wiper lever. [substeps] Check your car's operating manual if you are unable to find the cruise control switches. (B) [substeps] In most places, cruise control switches can be found on just about any part of the steering wheel, including the roof, the pedals, the ignition, and the steering quadrant. In the dashboard, you will see two buttons that can be used by selecting one of these buttons. (C) [substeps] At top of the steering wheel, you usually see usually two switches or dots for the rear and rear actuator ports. At top of the steering wheel, you usually see an arrow indicating how much space you have between the two things. (D) Read your owner's manual for more information. [substeps] You can find cruise control switches at: https: // ada.

Ex Output:

A