朝鲜劳动党总书记金正恩在阅兵式上发表讲话说，朝鲜军队已为应对任何情况做好准备。对于任何侵犯国家主权和安全利益的军事敌对行为，朝方将立即进行报复性打击。
There is a special form for boolean formulas called "Conjunctive Normal Form" (CNF). A problem in this form consists of clauses connected with and operators, where each clause only contains variables connected with or operators. The variables can appear negated, but only variables can be directly negated, something like !(a && b) is not allowed. An example boolean formula in CNF form is:
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