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 Input:
[header] How to keep your values high with determination [title] Know your values. [step] To keep your values high, you need to know about your values first. This can be achieved by giving yourself ample time to reflect over what matters to you. <sep> (A) Ask yourself what matters the most to you and what values you consider reflect the things you care about. Think about the values applicable both to yourself and to your interactions with others in the world. (B) This will help keep you motivated during tough times and also by providing you with a set of exercises that will help you achieve your goals. [substeps] Define value as the raw or complete love you feel towards your loved one. (C) To do this, it is important to think about what you value, and research shows that determining your values in your own way can help keep you motivated, energized, and mentally stimulated. [substeps] Knowing your values is a good way to prevent inflation, which may affect your market share if you are very young. (D) Then, strive to live each day by setting aside and organizing your values. [substeps] For example, if your most important and essential values are reading one book a day, then it can be more challenging to devote time to that book.

Ex Output:
A


Ex Input:
[header] How to get oil out of hair [title] Shampoo your hair several times. [step] Use your regular shampoo to wash your hair in the shower. Really work the shampoo into your scalp using your fingers and rinse it out thoroughly with lukewarm water. <sep> (A) Rinse your hair as soon as possible after it is done, as prolonged washing can hurt the scalp. [title] Dry your hair as soon as possible. (B) Have a good conditioner available on hand for long-term use. [substeps] Because oil can build up if you're not getting it regular, don't rinse it out very often, as this may clog or unbalance the hair follicles. (C) Repeat the process one or two more times, as needed. [substeps] After you finish shampooing, add some conditioner to your hair and let it sit for 5 minutes before rinsing out. (D) [substeps] You can use a hairdryer, a microfiber cloth, or a shower cap to gently detangle your hair to avoid spreading the oil or holding your hair in. [title] Squeeze a dime-sized amount of shampoo from a bottle.

Ex Output:
C


Ex Input:
[header] How to recognize symptoms of sickle cell disease (scd ) [title] Get tested. [step] Sickle cell disease can be detected with a simple blood test, so if you think you may have the disease, see a doctor to get tested right away. In the united states, all newborns are required to be screened for sickle cell disease. <sep> (A) [substeps] The screening process is lengthy and requires some paperwork so a doctor can make sure they're perfect. In order to receive diagnosis or treatment, the doctor must first perform a screening test. (B) The more advanced the developing disease, the more likely it is that you may have sickle cell disease. It is a serious disease that causes weight gain, and may affect when you are pregnant. (C) The centers for disease control and prevention (cdc) website has more information on the disease than it does on its own. [title] Be aware of your potential risk factors. (D) This is because early treatment is very beneficial to patients. [substeps] It is also possible to do prenatal screening for sickle cell disease by testing fetal tissues that are collected by chorionic villus sampling or amniocentesis.

Ex Output:

D