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 recover deleted pictures from an ipad mini [title] Get your ipad mini's lightning cable. [step] This is the new 8-pin connector from iphone, which is significantly smaller than the previous one. Get this cable and connect the smaller end to your ipad mini. <sep> (A) [title] Hold down the home button on your ipad mini. [step] The process for locking the ipad mini to a computer is easiest with the ipad mini's lightning cable. (B) [title] Get the other end of the cable and plug it into any usb port of your computer. [step] You can plug it into any usb port located either at the back of a desktop cpu or along the sides of a laptop. (C) [title] Connect the smaller end to the power adapter cable. [step] This will work the same way as the icloud usb adapter, except that your ipad mini will have a smaller power adapter just at the back of its body. (D) Some great options are these : [substeps] Usb is for ipad mini micro usb cable. Connect each end to the launcher/usb port on your ipad mini.

Ex Output:
B

Ex Input:
A woman is shown leaning against a wall. Several ballerinas are shown in a room. different techniques <sep> (A) are demonstrated by them. (B) are shown for performance. (C) are shown for ballroom dancing. (D) are shown to teach the groups how to dance.

Ex Output:
A

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