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". 

Input: Consider Input: [header] How to read a screw thread callout [title] Read the numbers. [step] They will look something like one of these : [substeps] 4-40 x. 5 1/4-20 x 5/8 m3-0.50 x 10 [title] Interpret the first number. [step] The first number gives the major, or largest, diameter. <sep> (A) Next, determine the size of the screw thread you wish to use. Write these numbers down on several pieces of paper and trace around them. (B) It also tells you the larger diameter of a screw thread to create a series of polygons which share a small degree of overlap by a single number. [title] Separate the single digits in each string from each string. (C) [substeps] In unified threads (measured in inches) there are numbered diameters 0 through 10, with 0 the smallest and 10 the largest. ( diameters 12 and 14 may also be found, but are usually on older equipment and needed for repairs or restorations. (D) However, an " x " will bring more light up on an empty needle, so use a tray or ice scraper to fill it to feel the thickness of the screw. The next number tells us that the machine is a small amount bigger or larger than what we used it for.

Output: C


Input: Consider Input: [header] How to ask survey questions [title] Understand your objective. [step] Make sure you know why you are asking questions in the survey. Having a firm grasp of this will help you make better questions. <sep> (A) Without knowing your objective, your questions may seem aimless. [substeps] Try to answer the questions: who, what, where, when and why for yourself. (B) [substeps] However, you may not have a completely clear and accurate understanding of your evaluation topic. You may need the fact-figure accuracy to have a clear and reliable assessment. (C) You can additionally foster a good relationship between you and the question that came up. [substeps] Once you have developed a rapport with the question, you should begin addressing it. (D) [substeps] Determine whether the survey may be a waste of time. If the survey results in a huge number of questions, it will be better for you to leave some questions blank or to completely miss the question's significance.

Output: A


Input: Consider Input: [header] How to make a joke [title] Joke about yourself. [step] Using yourself as the butt of your own joke is a sure way to get people cracking up. There's something about self-deprecating humor that triggers schadenfreude, the act of taking pleasure in someone else's pain, and this forms the foundation of many famous comedians' jokes. <sep> (A) [substeps] Think back on times when people make fun of yourself. If you'd experienced any of the same things, you know how to lighten the mood. (B) [substeps] Crack a joke to alleviate an uncomfortable moment of embarrassment. Say something like " i'm so sorry " or " well, that one was always in the oven. (C) Let's say you are a comedian who makes a habit of commenting on people's hurt feelings. [substeps] Your comedians usually go into their jokes like stories about themselves and deal with bitterness and pain. (D) Figure out what's sadly hilarious about you and offer it up for laughs. [substeps] I'm really good in bed.


Output: D