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:
A black object appears and the woman is now placing it onto a long pole, she's back on the ladder and she's using the black object to help her hold up the border wall paper as she applies it all along the wall. when the woman <sep> (A) finishes the wall paper is covered by a blue curtain and she begins to pull the white rod back and forth as she continues to use the soldering iron to create the wall paper. (B) has drawn a border on the wall, she stretches up to get a better hold, three inches above the floor leaving the wall covered in white paper. (C) is done plastering, she takes the phone back and the actual wall paper is now in place and it seems to be the perfect size, exact size and it has sparkles, three big black holes in it and it has the laminate look to make it look very clean. (D) is done the camera pans to show the finished job and the outro appears that includes the website, company name, price and phone number.

Ex Output:
D


Ex Input:
[header] How to start salary negotiation [title] Look up salary information for similar positions. [step] Before you develop your own range, you should have a general idea of the going rate in the industry. [substeps] Make sure you have a full understanding of the particular job being offered, including the exact responsibilities and expectations for someone in that role. <sep> (A) You'll need to do a lot of research to ensure you understand the expectations of that job so you can easily look it up to the perfect employer. The rate for each individual position is its own set of guidelines, so the application process should take some time. (B) In addition to assessing your capabilities, you should also know what the salary market expects of you. This will take into account your level of experience in the industry, as well as the demand for that position. (C) That will help you evaluate what the position is worth in other firms. Different companies may call similar positions by different names, so if you don't have an understanding of the full job description you won't know which other jobs compare with the one you've been offered. (D) You also will want to get a good understanding of whether or not higher salary is required for similar positions as the one you are looking at. To determine whether or not the position is state-specific, research the company's new hire contract and check for various requirements such as the recipient's income.

Ex Output:
C


Ex Input:
[header] How to use leftover roast [title] Make beef broth. [step] You can make a rich beef broth to have on its own or use the broth as a base for soups and stews. To make the broth, just saute large pieces of the leftover roast beef along with one diced onion. <sep> (A) [substeps] Heat the beef broth in a slow cooker, or just put the onions in with it. Cook the beef broth in the slow cooker for four hours, stirring constantly. (B) Make sure you submerge the beef pieces in a quart of water to make the broth. Leave the meat in the broth for at least one hour and then take it out, rinse, and dry with a small amount of water and store it. (C) Once the onion is soft, add enough water to cover the meat. Bring this to a light boil and keep cooking until the water darkens. (D) Allow the beef broth to cook on low heat. [substeps] You can substitute sherry vinegar if you'd prefer a sweeter flavor.

Ex Output:

C