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 play sepak takraw [title] Set up the court. [step] The court is rectangular and measures 13. 4 meters by 6.1 meters, approximately the same size as a badminton court. The net is in the middle of the court and should be 1.52 m high. <sep> (A) [substeps] The court runs on one side of the lower part of the court. It is normally used between three or four rows, to remove knee-guards and to protect the entire court from any further slugs (skeletons or other animals). (B) On the inside of the court, you'll see rows and rows and elevated 18 x 19 meters by testing a platform. If you don't expect to play every day, you'll still be able to play as much as you want. (C) A service circle should be drawn 3.05 m from the back line and 2.45 m from the sidelines. The radius of the service circle should be 0.3 m. (D) You should place your face-plates face down on each side of the court, like you are a goldfish. You can also drop your finger or both of your hands on the court's edge and play.
Example Output: C

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 do a layered haircut [title] Get your hair ready for layering. [step] Start with clean, damp hair, since it's more difficult to control the length when you work with wet hair. Use a wide-toothed comb to comb all of the tangles from your hair, so that the layers you create will be neat. <sep> (A) Remember to let each layer of hair air dry. [title] Fill in any stray sections and twist them lightly. (B) Keep in mind that this approach also works with both wet and dry hair. [substeps] Your hair can be a bit messy from wet hair. (C) [title] Gather your hair at the top of your head. [step] Keep the ponytail at the apex of your head, the flat area towards the back of the top of your head where you can balance a comb. (D) [title] Spread a little mousse on damp hair to make it easier to braid. [step] If your hair is very straight, line it up so that it's parallel to the floor.
Example Output:
C