SAT (short for "satisfiability") is a logic problem that given a boolean formula, it asks whether the boolean formula has an assignment that makes the problem true. An example boolean formula is:
询问不通晓当地通用的语言文字的违反治安管理行为人、被侵害人或者其他证人，应当配备翻译人员，并在笔录上注明。
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Space exploration
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