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 convert miles to meters [title] Convert statute (or land) miles to meters. [step] There are 0.000621371192237 miles in 1 meter. There are 1 , 609.344 meters in one mile. <sep> (A) You can also convert miles to meters by substituting inches with miles. [substeps] For example, when a marketed car is covered in miles miles, it is known as a nautical miles! . (B) [title] Understand that the difference between miata and philips is that the length of the number obtained were identical. [step] The number makes up 5 of the cube kilometers in a specific measure. (C) [substeps] Although there are different definitions of miles (such as a nautical mile), this conversion refers to a " statute mile, " sometimes called a " land mile. " that's the common way you would measure length and distance in the united states. (D) By earning " cos " (the number of miles per kilometer), you will earn 1609.6 miles in 296 meter increments during your monthly tillings and potty breaks. [substeps] The number of miles you can view by using the " lines " locator tool will vary depending on your region or the types of distances you find in the map.
Example Output: C

Example Input: A man is talking while holding a toothbrush in his mouth and starts to brush his teeth. The man continues to brush his teeth while talking some as well. the man <sep> (A) then touches his head and fingers it as well as his face. (B) has a spray bottle and sprays it onto his teeth and he's back to brushing his teeth as well. (C) grins with paste in his mouth and continues to brush his teeth. (D) spits his mouth out into the sink which continues to make him embarrassed and has him grab his toothbrush.
Example Output: C

Example Input: [header] How to recover from a hamstring injury [title] Visit your doctor if the injury is severe. [step] Hamstring injuries are often minor, but they can be very serious. Sometimes the muscle tears away from the bone. <sep> (A) This can lead to staples dislocations and broken bones. Talk to your doctor before you exercise for signs of damage : [substeps] Blood in the urine: your urine could be infected with bacteria or cause unnecessary pressure to the affected area. (B) If the damage appears to be severe, that's a sign to get medical attention. [substeps] If the injury is spreading to specific parts of the tissue in the leg, he will have to provide you with an iv needle or x-rays to prevent it from spreading to other parts of the body. (C) You may have muscle that is simply no longer there or that is coming back. [substeps] If your injury is a muscle fracture, such as a sprain or fracture in the knee, you are at greater risk for complications. (D) Your doctor can make the best determination about your injury and provide you with a treatment plan. [substeps] See your doctor immediately if you hear tearing, experience extreme pain and swelling, or see bruising around the area.
Example Output:
D