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". 

Q: [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.

A: A
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Q: [header] How to improve your leg flexibility [title] Start off with the " easy pose. [step] " sit on one or two folded blankets with your legs stretched in front of you. Bring your legs in and sit cross-legged, and make sure your knees aren't at a level any higher than your hips (sitting on the blankets will help with this). <sep> (A) Lift your feet (they should be positioned vertically in front of you with your feet shoulder width apart) off the blankets. [substeps] Get slightly more rigid by taking big strides forward and focus on the floor around you. (B) Do the pose for 4 to 6 sets of 10 repetitions. [substeps] You can use your foot in this pose if you want to strengthen your leg muscles. (C) [substeps] Many people find it hard to do a basic pose with their legs crossed before they can complete yoga poses like the " leg dog " pose. This exercise can be coupled with the' loom pose' to improve your leg flexibility. (D) Don't let your chest sink down: hold your chest out and pull your shoulders back. [substeps] Hold this pose for several minutes, and feel the stretch working through your quads, hips, and lower back.

A: D
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Q: [header] How to breed chihuahuas [title] Adopt a chihuahua to breed. [step] If you don't already have a chihuahua, you will need to get one that is ideal for breeding. Contact a breeder that specializes in breeding chihuahuas. <sep> (A) If you are looking to adopt a chihuahua you can breed, you should get it from a well-established and humane breeder that has solid documentation of its lineage. [substeps] Make sure your potential dog is in good physical and mental shape. (B) This is a good option for investors that want to go through a breed-specific final selection process before purchasing a dog from one of the breed-specific breeders. [substeps] Breed chihuahuas can learn complicated rules, including you will need to breed them yourself, or you may be able to substitute a dog from a previous relationship with one that is already bred. (C) Look around for a unique breed, preferably one that offers a wide variety of features. Remember to pay attention to age, as a young chihuahua is a rodent, and a healthy small baby chihuahua needs to be training and raised carefully. (D) Shop around a few different places before settling on one that is right for you. [substeps] Get a volunteer or mentor for this breed.

A:
A
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