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.
Peter Mandelson is facing an inquiry by the EU’s anti-fraud agency after the European Commission requested the body look into his activities during his time as trade commissioner in Brussels.，详情可参考搜狗输入法2026
，更多细节参见safew官方版本下载
Cars were submerged as flooding hit Clydach Terrace during Storm Dennis in 2020。业内人士推荐雷电模拟器官方版本下载作为进阶阅读
Медведев вышел в финал турнира в Дубае17:59
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