Thinking Step 1: 分析题目条件。“你们都要”意味着 A AND B AND C = True。
На шее Трампа заметили странное пятно во время выступления в Белом доме23:05。业内人士推荐体育直播作为进阶阅读
，更多细节参见体育直播
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For UNSAT problems with 10 variables and 200 clauses it had the same issue as others: making up assignments.