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".

Example Input: [header] How to dry your hair [title] Pat your hair dry with a towel. [step] If you can, try to use a microfiber towel. Microfiber towels are soft and gentle on all hair types. <sep> (A) Avoid using dull towels, since they make hair really dry quickly. [substeps] If you're in a hurry, dampen a microfiber towel with some water and wring it out. (B) You don't need to rub the towel over your hair, just pat it dry. [title] Choose a hair shade that reflects well. (C) They are less likely to snag, rip, or tear your hair than regular towels. Microfiber towels can also help reduce frizz. (D) Make sure to pat the towel dry gently and without abrading your hair. After drying, use the apple cider vinegar spray to gently splash your hair with cool water.
Example Output: C

Example Input: [header] How to know if you have glaucoma [title] Schedule regular eye exams. [step] Open-angle glaucoma leads to the gradual deterioration of your vision over an extended period of time, usually years. Most people suffering from open-angle fail to notice symptoms until the glaucoma is very advanced and nerve damage has occurred. <sep> (A) [substeps] Glaucoma is usually attributed to a condition called retinopausal glaucoma. Doctors often refer patients with retinopausal glaucoma to psychotherapy or therapy. (B) The overall diagnosis is: glaucoma can present in two patterns: primary and secondary. Secondary glaucoma reverses almost any natural condition and the simplest way to identify glaucoma is to get three to four eye exams in a normal week. (C) [substeps] It is important to schedule eye exams every year, especially if you are over the age of 40 or have a family history or glaucoma. Open-angle is the most common type of glaucoma in the united states, affecting over 2 million people. (D) Checking your eye closely is often the first step to identifying the signs of open-angle glaucoma. [substeps] Schedule a yearly eye exam using a variety of tools.
Example Output: C

Example Input: [header] How to change child custody [title] Talk to the other parent. [step] If you are on good terms with the other parent, work together to adjust the parenting plan so that it suits both of your needs and the needs of your child. Print out your new, which you will need to submit to the judge. <sep> (A) Give the court your consent to the change of custody document and provide your california driver's license number and the other parent's social security number. [substeps] In the time that you work with the court, try to get close to the other parent a couple of times a week to discuss your child's custody. (B) [substeps] A child custody order can go into effect on its own, so be sure to check all your legal rights and meet with the clerk in court to set a date to get your request signed. Keep in mind that even if the judge says you were taken custody, his or her final order will be dismissed. (C) [substeps] Child custody decisions typically need to be modified every two or three years anyway as the child grows. Two parents who are able to come to an agreement rationally will have a much easier time co-parenting. (D) Then, meet with the parent to discuss exactly what changes you want to make and why. [substeps] Don't assume that your parents will change all the arrangements for you in the divorce or will only raise parts of the agreement.
Example Output:
C