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 woman spins a blindfold person holding a stick on front a pinata. Then, the person hits the strong, while the pinata is moving. the person laugh <sep> (A) when tie the pinata and continue dancing and laughing. (B) and the woman approach her. (C) and throw the pinata. (D) and catches a square the object.

Ex Output:
B

Ex Input:
[header] How to prepare crabs [title] Bring several liters (8 to 9 cups) of water to boil to cook two crabs. [step] Season with two tablespoons of sea salt. [substeps] Allot at least 1 liter (0.3 us gal) for each crab that you are cooking. <sep> (A) When the crabs are ready, drain or clean them. Do not blanch them; blanching can kill them. (B) 2 crabs would mean at least 2 liters (0.5 us gal) of water, while 5 crabs would mean at least 5 liters (1.3 us gal) of water. [title] Gently drop the crab (s) into the boiling water. (C) [title] Place the crabs in the boiling water and cook, covered, for 4 to 5 minutes. [step] Stir every 10 minutes to avoid burning or burning the crabs. (D) If you are cooking large number crabs, however, you will need to cut off the " corners " of each crab before cooking them first. Weigh the crabs with one pound (45.8 g) of medium-weight sea salt or 1 tbsp.

Ex Output:
B