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 perform an autopsy on a human being [title] Understand what an autopsy is. [step] An autopsy is a detailed examination (and dissection) of a human body after death. It is used to determine the likely time and cause of death, as well as to evaluate the presence of disease and/or injuries. <sep> (A) An autopsy is often performed during the day after a death, or at night. Depending on your body type, an autopsy can last longer or shorter if done with the right equipment. (B) The autopsy is often conducted as a procedure administered in an office, rather than a surgical procedure, but it is treated in multiple ways. [substeps] For a crime scene autopsy, the job is to put the human body's dna on a piece of paper and then render it to a laboratory for analysis. (C) [substeps] An autopsy is conducted by a pathologist, which is a doctor with specialty level training in how to do the procedure and how to effectively analyze the tissues and body fluids. If the person's death is being investigated forensically, an autopsy may be legally mandated. (D) A typical autopsy takes place approximately 50 minutes after the death of the patient. The procedure consists of the following components : [substeps] Removing the deceased's organs from the body.

Ex Output:
C

Ex Input:
A lady in a bra and panties grabs and throws a shotput. It goes through a window on a house and a cat runs. the man <sep> (A) runs after the gun. (B) in a grey shirt tells the lady to stop and gather her clothes, including the fire extinguisher, including two buckets of water on a table. (C) is talking and a traceback in the room and come to 2 shades of grey and he starts to make some shots. (D) looks outside and sees the lady.

Ex Output:
D

Ex Input:
[header] How to decide which piercing is best for you [title] Consider the visibility of the piercing. [step] Ear and facial piercings are very visible, which can cause problems at school or work for some people. If you're thinking about getting a piercing, make sure you won't have to take it out at school or at your job. <sep> (A) [substeps] If you're set on getting one, give some thought to covering your piercing in the meantime. Sometimes, schools will allow piercings to be covered with a small bandage while it heals. (B) [substeps] Conceal your piercing with a square ring or other piece that most people normally won't notice. Keeping your piercing hidden may help keep a wide variety of people from noticing it. (C) [substeps] In-person piercings are more effective as they will more comfortably cut through the skin. However, ear piercings can be uncomfortable for you, unless you're confident that they won't bruise your ears. (D) [substeps] Ear and facial piercings are very visible. Since they're so visible, think about what sort of images you want your piercing to capture.

Ex Output:
A