This formula is satisfiable because if we set to b to true and a to false, then the whole formula is true. All other assignments make the formula false, but it doesn't change that the formula is satisfiable as long as there is at least one assignment makes the formula true.
Ранее россиян призвали носить капустные образы. Рогов прошелся по магазинам и выбрал удачные сочетания предметов гардероба и их оттенков.
Александра Качан (Редактор)。关于这个话题，同城约会提供了深入分析
Speaking of emoji, they’re fun and can convey your meaning as well as the most thoughtful turn of phrase, Wesson said. But don’t abuse them because they can be a “minefield.”。服务器推荐是该领域的重要参考
飞行、升放前款规定的物体非法穿越国（边）境的，处十日以上十五日以下拘留。
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