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 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.

Ex Output:
D

Ex Input:
[header] How to earn extra money [title] Get a part-time job. [step] The easiest way to earn extra money is to get a part-time job to supplement your income. Even if you only work a few hours a day or a week, a part-time job can make a big difference in your bank account. <sep> (A) Talk to your accountant or check to see how much you can get. [substeps] Another way to earn extra cash is to volunteer to work on a cleaning machine. (B) [substeps] If you know you're going to need to get into a job in accounting, you could consider doing an internship. Getting a part-time job isn't an option. (C) This may be even better if you're already working for a while and already have your minimum savings lined up. [substeps] Take advantage of the opportunity to put down a few hundred dollars on expenses like food, car loans, and inventory. (D) Here are some examples of part-time jobs you could do : [substeps] Deliver pizza. If you have a reliable car and are a good driver, you can make extra money by delivering pizza.

Ex Output:
D

Ex Input:
A white haired man sits at an upright piano and begins to play in a lobby while people walk by. the cameraman <sep> (A) stops his side by taking off his earphones. (B) comes back and tapes the man, then he moves on to the man playing again. (C) sits at the piano and adds small white flute notes in front of the keyboard. (D) zooms in on the mans hands as he's playing and zooms back out.

Ex Output:
D