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 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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Q: [header] How to study the phenomenon of light as a nonequilbirum state of matter [title] Understand how thermodynamic systems are categorized. [step] Thermodynamic systems in nature are divided into two types. One is systems that are at equilibrium state with the environment and the other is systems that are in a state of nonequilibrium with the surroundings. <sep> (A) On earth, nature has a preference for systems that are at an equilibrium state with the surrounding. This is so due to the principle of minimum energy that every object in the universe aspires to have. (B) For example, gas rising in temperature throughout the day can be divided into microorganisms in the environment. [substeps] For example, gas rising in temperature in the atmosphere can be divided into molecules in the environment. (C) [substeps] Equilibrium is fundamental in thermodynamics. Other systems include stars, planets, and oceans. (D) [title] Learn about the term " rock hydrodynamics ". [step] Rock hydrodynamics refers to the transfer of water to the earth's surface.

A: A
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Q: [header] How to improve yourself [title] Define your core values. [step] Write them down, prioritize them, and read them regularly. Then set your goals based on them. <sep> (A) For example, if you are living in a dorm apartment with your family member, figure out who your office is in. This will help you determine what stands out to you as you move toward your goal, whether it is a backpack, front-facing windows, or even a class attendance tray. (B) For example, you might write, " strengthen your relationships at work by building relationships with subordinates. " having a concrete definition of your core values will help you determine which phrases to avoid. (C) [title] Imagine what it could be like in the future. [step] Thinking about future positive and negative possibilities enhances motivation, expectation of successful goal completion, and commitment to self-improvement. (D) What do you want to attain in life? Are you worried about losing control? Are you worried about selling bad clothes? Working out for a day every day is generally ideal. [substeps] Where do you want to be in ten years? Work out why? If you are starting out as a kid , [title] Define your bonds.

A:
C
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