TASK DEFINITION: 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".
PROBLEM: [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.

SOLUTION: B

PROBLEM: A man demonstrates how to walk across and navigate a slackline in a grass courtyard in front of apartments. the man <sep> (A) demonstrates how to traverse a low brick fence on a residential street. (B) walks slowly across the slackline while talking and stopping to talk to passerbys. (C) stands on a slackline balancing himself with his arms before the clip cuts to him interviewing. (D) poles backward, glasses on and he begins to walk while holding the slackline while walking across the courtyard.

SOLUTION: C

PROBLEM: [header] How to perform witr prayer [title] Recognize the significance of witr prayer. [step] Witr prayer is the final prayer of the day and consists of an odd number of rak'ahs or prayer units. Alongside fasting and the salat al-duha prayer, witr is one of the most important aspects of the islamic faith. <sep> (A) It symbolizes courage, dedication, joyful self-expression, enhanced faith, kindness, heart ease and happiness. Again, witr prayer is a way of remembering, also calling. (B) [title] Recognize the significance of witr prayer. [step] Witr prayers are the prayers that are spontaneous, sure to trigger an array of rak'ahs. (C) [substeps] Figure out your options for praying witr. The prophet gives options for praying witr at night, such as deciding how many prayer units or rak'ah you will perform and when you will pray during the night. (D) The importance of witr prayer is to several reasons. [substeps] Holy qur'an [[ qur'an] clearly states that you only follow the qur'an when it absolutely must be rendered.

SOLUTION:
C