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 communicate for better intimacy [title] Have the difficult conversations. [step] Many people in relationships spend a great deal of time hoping their partner can read minds. You may want your partner to touch you or treat you in a certain way, but you never speak up. <sep> (A) Speaking up will only make your partner worry. End the conversation before you can continue to listen. (B) However, talking about intimacy--regarding activities in the bedroom and not--is important for the health of your relationship. Pull your partner aside during a time when you won't be distracted. (C) If you and your partner are both committed and have important conversations about everything, it can be easy to be hesitant. Having the difficult conversations will allow you to not put each other in a loop and to listen to what the other person has to say. (D) Oftentimes it's about respect and love, but both partners take cues from the other. [substeps] This can be tricky if you're in a relationship and the two of you enjoy having " wild " conversations.

Ex Output:
B


Ex Input:
[header] How to make your ecommerce website more attractive [title] Be sure that the site has a professional design : [step] The website should look professional. Have different webpages, and all of your business information and polices on the website. Don't make an incredibly long, single web page. <sep> (A) You want your site to actually be productive. [title] Make sure that you have proper directories, terms, services, and contact information : [substeps] Your users name : [title] Choose layout : [step] Choose layout format. (B) [title] Make sure the layout is nice and professional. [step] It will reduce the potential for the future someone stealing your ecommerce website. (C) Avoid crummy or cheesy graphics, broken links, and grammatical errors in content. [title] Ensure that there is sufficient information : [step] Make certain that you provide sufficient information on who owns the website and why they should be trusted. (D) You never know when you might want to make one. [title] This is one of the biggest creation mistakes in making your ecommerce page really attractive.

Ex Output:

C