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: He then discusses what to do when a sunburn does occur, how to handle it to take care of your skin. a slide <sep> (A) shows that he should be in a building showing how to iron, then he begins by giving the results of another remove. (B) shows a person's finger and toe nails are shown before he jumps on an ironing board to iron. (C) show of a razor obtain; first is placed in a glass, then in a bowl. (D) is shown to make us aware of when a sunburn is bad and needs medical attention.

Output: D


Input: Consider Input: [header] How to measure the size of a tv screen [title] Place the tape measure or measuring stick in the lower left hand corner of the tv's screen. [title] Be sure to start measuring where the actual screen begins, not from the plastic frame of the tv (known as the bevel). [title] Extend your tape measure or measuring stick to the upper right hand corner of the tv screen (diagonally from where you started). <sep> (A) [title] Count the number of inches on the left hand side that is the length of the outer frame of the tv. [step] If the number is ten inches, multiply that by two. (B) [step] Use a 3ds or millimeters. [title] Stick the measuring tip of your tape measure to the left hand corner of the tv's screen. (C) [title] Record the length between these two corners. [step] This is the screen's size. (D) [title] Measure the depth of the tv screen, not just its height. [title] Set your station to measure the width and shape of the screen itself, in inches.


Output: C