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".

[Q]: [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.
[A]: B

[Q]: A person is covering her legs with soap while she is standing on the bathtub. then <sep> (A) the woman follows the water to wash her legs on the side. (B) , the person takes a blade to shave her legs while washing the blade under the faucet. (C) , the person cleans the base of her legs with a toothbrush. (D) , the person pour the soap into the scrub pad in the water of the tub.
[A]: B

[Q]: [header] How to make an ice cream banana smoothie [title] Cut and peel 2 bananas. [step] Try to use fresh, ripe bananas, if you can. If you like your smoothie extra thick, frozen bananas instead. <sep> (A) Make sure to peel the banana, or the skin will be hard. Fresh bananas are better, because other flavorings or plain yogurt can ruin your smoothie as well. (B) Cutting the bananas up first will make it easier for them to blend. [title] Put the bananas, ice, and milk into the blender. (C) You want it to have some of the sweetness, similar to fruit juice. [substeps] Remove the bottom outer layer of the banana with a razor and then chop it up into chunks. (D) [title] Peel and slice 2 orange tomatoes and one red pepper. [step] Try not to peel the tomatoes too much or they will release unpleasant smell.
[A]:
B