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".

Input: Consider Input: [header] How to set up a caique parrot habitat [title] Choose a large cage. [step] Although the caique is a medium-sized bird, it needs a great deal of space. Select a cage that can accommodate this energetic parrot. <sep> (A) New cages tend to have more cages that are more hearty and safe, as these should not be bigger than 20 square feet (36 square meters) on all sides. If you're keeping a senior parrot, choose a caique that has built in cage work. (B) When it comes to caique cages, bigger is always better. [substeps] The smallest cage for a single caique should be 24 x 24 x 24 inches (60 x 60 x 60 cm). (C) The standard size for caique quarlings are 4 inches (10 cm) and five feet wide. Add a basking bulb, separate the block of wood with coarse wood shavings and place the bottom on a cooled to room temperature examination table. (D) For a more fluid experience, a small cage that you can comfortably surround your bird in will help to make the experience more comfortable. [substeps] A second enclosure can provide the environment your bird will be inhabiting without having to create a constant environment, changing its structure and its oxygen levels.

Output: B

Input: Consider Input: [header] How to install debian [title] Back up any important files on your computer. [step] Installing debian on your machine will clear your entire hard drive and reformat it, erasing all data in the process. Store your important information on a removable drive before beginning the installation. <sep> (A) [title] Navigate your web browser to the debian website. [step] Debian is distributed through www.debian. (B) [substeps] If you don't own one, ask a sales associate at your bank to store your files in your. Otherwise, you can install them on your own hard drive. (C) [title] If debian has dependency on your operating system in the previous step. [step] Some debian programs allow for debian to be connected to external storage like the usb connector, vertical port or the simplest root driver. (D) [substeps] Make sure to click the " save/install " button right on the back of the removable drive. [title] Locate and modify the " reason for installing debian " website.

Output: A

Input: Consider Input: [header] How to make a guy regret losing you [title] Keep your distance. [step] He doesn't get to decide when and if you talk again. Of course you need to respect any boundaries or requests of his, but if he's left it open, you choose when you'll talk again and how, be it via phone, text, or email. <sep> (A) Either way, keep the lines of communication as clear as possible. [substeps] Be mean to him, deny nothing he says, and always be polite and forgiving. (B) Be clear and direct when you make the request, though. [substeps] If he calls, don't ignore it. (C) Give him the space he needs to be ready and willing to talk. [substeps] If you have a crush on someone else, this is no big deal, he knows it. (D) This may be difficult initially, but with practice, keeping your distance will be easier. [substeps] Your control over the initial communications shows him that he no longer has unrestricted access to you.
Output: D