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 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.
Example Output: D

Example Input: [header] How to act during a fire drill [title] Stay calm. [step] Do not panic when you hear the fire alarm. Also, it's important to stay quiet so you can hear any instructions. <sep> (A) Also, do not get caught panicking. Staying calm will help you calm down as the fire clock ticks and alarms go off at regular intervals. (B) [title] Do not attempt to push the drill to divert the fire. [step] Do not attempt to push the drill at people or leave the master fuse unattended. (C) Turning to your cell phone or microphone can be deadly! [title] Stay warm. [step] Do not wait until the fire is out to stay warm! Your body temperature can drop, but it's better to stay near a heat source. (D) [substeps] In fact, it's important to be quiet and calm the whole time the fire drill is happening, not just when it starts. [title] Treat the alert as if it were a real fire.
Example Output: D

Example Input: [header] How to manage emotions [title] Understand your emotional needs. [step] In order to manage your emotions, you need to fully understand them. All of us have certain emotional needs that are just as important as our physical needs. <sep> (A) Learn how to recognize and build these needs so that you can control how you react to the situation. For example, be aware that in order to manage your temper, you need to recognize and build a defense mechanism. (B) Spend some time taking an inventory of the emotional needs that are most important to you. [substeps] For example, some important emotional needs are feeling in control, feeling respected, and feeling comfort. (C) This means that we might have negative and normal emotions, but " normal " ones, like anger, sadness, or resentment, can be difficult to manage. Social cues indicate a lack of emotion, which is common for emotional people. (D) We are human beings, and caring for someone else just doesn't automatically translate into accepting their feelings. Defining how to identify these needs will help you figure out how to balance your life with caring for someone else.
Example Output:
B