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 use metallics in your wedding decorations [title] Decide how bold a statement you want to make with metallics. [step] In most cases, metallics work best as small accents in your wedding decor. However, you can use larger splashes of metallics to make a bolder statement. <sep> (A) Choose a bolder statement color for your decorations. [substeps] Red, orange, purple, black, and plum are the most common metallic colors used in any wedding decor. (B) [substeps] For example, you might want to create a statement like a star, necklace, and flower in your wedding color scheme. You may want to try a solid color such as brown or ivory. (C) Keep in mind that your decor will have a more dramatic look, though, so a heavy dose of metallics is more suited for a formal or evening wedding. [substeps] If you want to go heavy with metallics in your decorations, it's best to pair them with a neutral color palette. (D) Go for more of a statement by drawing out bold combinations of colors that a person could use with metallics. [substeps] Bright, bold, and flashy colors like neon and bubblegum yellow are great accents.

Ex Output:
C


Ex Input:
[header] How to put together a perfect outfit for school (girls ) [title] Choose a comfortable but stylish top. [step] A bright striped t-shirt can jazz up your outfit without looking sloppy. If you're going for something more formal, try a classy button-up blouse in a looser fit-you don't want to feel constrained. <sep> (A) [title] A good pair of jeans or shorts is school outfit staple. [step] Shorts are another favorable option if it's going to be hot during the afternoon. (B) [substeps] Choose a v-neck shirt over a more form-fitting one in a flattering color or pattern. Anything that simply looks simple and flattering can be flattering for doing well in school. (C) [substeps] A denim or jean jacket is an optimal choice, but a vest or a baseball hat can turn this into the perfect outfit for you. Wear loose, flowing tops so they leave your arms and legs bare. (D) A plain white shirt (not blue) will also work for school. A plain pink tank will also work if you're going out for a long night; but you'll probably need sparkly shoes as well! [title] Get your nails done professionally.

Ex Output:

A