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 Q]: [header] How to post to a facebook group on pc or mac [title] Go to https: // www.facebook.com in a web browser. [step] You can use any web browser, such as chrome or safari, to access facebook. If you're not already signed in, sign in now. <sep> (A) [title] Click on the downward-facing arrow in the top right corner of the screen. [step] It's at the top-right corner of the screen. (B) [title] Click your profile picture at the top-right corner of the page. [step] You will see your profile picture in the upper-right corner of the page. (C) [title] Click a group to open the group's menu. [step] Click the group on the right sidebar, or the group's upper menu of options. (D) [substeps] You must already be a member of a group to post to it on your computer. See join groups on facebook to learn how to join a group.
[EX A]: D

[EX Q]: [header] How to adapt your bathroom if you're blind or visually impaired [title] Create a place for everything. [step] If you are blind or visually-impaired, it is important for you to be able locate the items you need in your bathroom. In order to do this, you must create an organizational system. <sep> (A) Arranging your furniture in a way that makes sense to you is crucial for helping you know where everything is. If you don't have an organizational system, make some by placing some of your favorite items along the counter or toward the bathtub at home. (B) This way, you will always know where to find things. [substeps] For instance, you might store towels and washcloths on one shelf in your bathroom, and soaps and cosmetics on another. (C) The more organizing you make, the more time and energy you will be able to spend in your bathroom. [substeps] Try setting up a spot where you can actually see something. (D) This will be based on how you do your business. [substeps] Make sure your appliances are separated from your bathroom.
[EX A]: B

[EX Q]: [header] How to castrate a horse [title] Get your horse assessed by a veterinarian. [step] Your vet will need to assess your horse before the procedure and talk to you about the options for castration surgery. Some horses will be able to be castrated under sedation while at home in his stall, while others will need to be castrated under full anesthesia in a clinical setting. <sep> (A) [substeps] If your horse has a medical condition that does not require treatment, he may not be given castration surgery. If the hoof was cut during the procedure, this may be more than relevant to your horse. (B) [substeps] For many horses, castration surgery is the safest option for a horse. If your horse is unaware of the possibility of anesthesia surgery, surgery will be the safest option for them at home. (C) Be aware that castration surgery can only be performed in certain conditions. [substeps] Like surgery, the process will require pressure on the horse's head and other internal organs to be numbed with gauze or a surgical bandage. (D) [substeps] If the horse is healthy with two scrotal testicles, then the veterinarian may opt to to sedate the horse and operate using local anesthesia. This may be done in the field or at the clinic.
[EX A]:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
D

