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".

Example Input: [header] How to make modeling clay in a slow cooker [title] Preheat the slow cooker. [step] To ready your slow cooker for cooking the clay, it's important to preheat it. Plug it in, and set the temperature to low. <sep> (A) That will allow the slow cooker to heat up slowly. [substeps] While children can help with the measuring and mixing of the ingredients, an adult should handle preparing and heating the slow cooker. (B) Cover the slow cooker and leave it somewhere out of the way where it won't be disturbed as it cooks. Doing this early will make your clay easy to mix and smooth. (C) Avoid getting hot coals inside the slow cooker. [substeps] Make sure there are no ashes or scraps of food stuck onto the bottom of the slow cooker before cooking the clay. (D) Allow the slow cooker to heat up to about 325 degrees fahrenheit (260 degrees celsius) for 1 hour. [substeps] Do not allow the temperature to go above the cool bar when you shut the electric slow cooker.
Example Output: A

Example Input: [header] How to buy wine for a gift [title] Go mid-range to high end. [step] It's tempting to buy a cheap wine to give as a gift, particularly if you don't know much about wines. However, cheap wine will taste cheap. <sep> (A) Buy the cheapest wines possible at low prices for a lot of fun and a nice gift. [substeps] Vintage wine is well worth the cost, but it won't taste well if you're not buying the bottle. (B) A higher end wine will go right up top and faster, so full quantities have more potential to go up the price of a bottle. [substeps] Anyway, consider your palate when determining whether a bottle is a good choice for your party. (C) [substeps] Spend time visiting upscale restaurants near your destination and learn about wines on your visits. Ask for the wine they recommend to see if you can trade it for cheaper. (D) That's not to say that you can't get a decent wine for a reasonable price. You just don't want to pick the cheapest wine, especially if you've never tasted it yourself.
Example Output: D

Example Input: [header] How to select a vinyl liner for your inground pool [title] Choose a basic pattern. [step] When choosing the tile line, make sure you choose a basic pattern with natural colors. You can choose various blues, deep beige tones, and grays. <sep> (A) Reds, whites, and terracotta colors stick out. It is not necessarily a good thing is because a vinyl liner is mirroring real tile. (B) You can also choose colors which enhance the cohesion of the walls, giving it a softened feel. Stick with one color that complements the room and feel of your pool; if you use charcoal blue, make sure it matches the shade of the pool. (C) Some great options include : [substeps] Pale blues, ranging from cream to peach. Indigo, such as cream, beige, and ivory. (D) Pick the patterns that complement your pool color. [substeps] Pick patterned herringbone tiles if you have very different colors, like aqua blue, light tan, and jet black.
Example Output:
A