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 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: A man talks and points his hair, then a woman wash and cut his hair with a machine and scissors. The man talks and after the woman continues cutting the hair. Then, the man shows bottles while talking. after <sep> (A) , the person uses scissors to cut the hair, also the clip it and then kiss it on the shoulder and the neck. (B) , the man shows a bottle and vodka and vodka, and afterward pour and mixes with water to form a drink. (C) , the woman braid his hair and, then she puts in curlers the person has used. (D) , the man blows and comb his hair, then he puts cream to his hair to stylish, then talks pointing hair.

A: D
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Q: [header] How to wear compression shorts [title] Choose outerwear compression shorts if you want high-end gear. [step] These shorts are meant to be worn as workout gear without anything layered on top of them. They are engineered with high-end materials and have unique constructions that set them apart from the undergarment versions. <sep> (A) [substeps] Compression shorts come in a variety of styles-often with highs and rows-that fall underneath the bottoms. If you want to skip the sleeveless top for work, compression shorts will help you run and walk. (B) Unfortunately, these high-end materials raise the price tag significantly. [substeps] Outerwear compression shorts are usually 2-3 times more expensive than the undergarment versions. (C) Compression shorts made for running also apply compression shorts when you want a tight fitting compression and compression shorts. [substeps] Compression shorts are often made to avoid damaged and marks in them. (D) [substeps] Typically, compression shorts were sold for three to four months during the 1970s. Compression shorts have a wide variety of styles, ranging from loose-fitting, firmer, and more breathable options that add an air of fullness.

A:
B
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