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 Q]: An intro screen appears and the text reads "expert series organic living" and at the bottom right there's a logo that reads geobeats, and the next blue screen displays the words "how to prune tomato plants?". a brunette woman <sep> (A) in a black shirt is raking leaves around the yard with a leaf blower. (B) is now talking while she's sitting outdoors near a large plant and the words on the screen say that her name is judy frankel, her title and her website. (C) displays a young boy who is standing in an antique shop, and two older children with each hand in a bag of what appears to be basil yarrow, baked beans, and the words " tomato plants " are in a blue screen with a number on it. (D) is now standing in front of a vegetable farm and is talking to the camera while holding up various hand tools as she holds them to instruct on the carrots.
[EX A]: B

[EX Q]: [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.
[EX A]: C

[EX Q]: [header] How to measure head circumference [title] Remove any hairstyles that might affect the measurements. [step] When you're measuring the circumference of a head, certain hairstyles can add bulk and throw off the measurements. If the person whose head you're measuring is wearing braids, a bun, or a ponytail, remove them before the measurements. <sep> (A) Otherwise, simply put an extra length into one side of one style. [substeps] If you don't have braids you can remove them with a little elbow grease. (B) Some studies have shown that braiding your hair with braids can make an important way of measuring measurement. [substeps] Braids may make certain hairstyles more difficult to measure and even more difficult to use. (C) [title] Take out any hair adornments that might interfere with measurements. [step] Even if your hair isn't in a style that adds bulk to your head, the way you're wearing it can affect your measurements. (D) [title] Learn how to accurately measure head circumference. [step] Head circumference compares an individual to a gender in their group for a fixed amount of circumference.
[EX A]:
C