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 get rid of white tongue [title] Call your doctor or dentist if you have other symptoms that together might indicate a more serious condition. [step] Other symptoms to check for include : [substeps] Pain in your tongue dehydration fever a white tongue that doesn't go away after several weeks [title] Know the difference between white tongue and geographic tongue. [step] Generally neither condition is serious. <sep> (A) But for certain people, this is known as " tongue illness. " [title] Learn about the signs of tongue disease. (B) [title] Look for a white tongue tongue or tongue with a horizontal, smooth surface that blocks food from getting into the mouth. [step] This means that the tongue has a roof which it cannot move towards. (C) However, it does lead to significant pain. It is thought that the other condition if it occurs is called listerimucoccus nomisymmetrophy (tdd), a genetic condition that asks for unusually dark tongue. (D) [substeps] Geographic tongue occurs when you have smooth lesions that look like areas where the bumps on your tongue are worn away. Foods with strong tastes (spicy, acidic, salty) may cause you pain.
Example Output: D

Example Input: There's a woman sitting on a cozy chair with her two cats next to her, knitting a black yarn hat. the black cat <sep> (A) wakes up from its sleep, goes over and rubs on the woman several times and one person in the back grabs his cat, drinks some water and finally goes back to sleep. (B) is now sitting on a silver plate, one paw quickly getting knitzed. (C) gives a series of pats on the brown and blue body, while the black cat tries to stand up. (D) is sitting right next to her and playing with the yarn while the brown cat is watching them.
Example Output: D

Example Input: A man's face is moving back and forth. the man <sep> (A) is using a wipes to wipe the man's nose. (B) then twists his body and then slams into the ramp. (C) finishes playing and jumps off of his losing note on the keyboard. (D) is shining a shoe.
Example Output:
D