I learned that for 4-SAT, if clause to variable ratio is more than 10, the generated problems become difficult to solve, and the likelihood of formula to be SAT or UNSAT is close to 50%. So I generated 3 types of formulas:
Google has apologised for sending a news alert on this year's Bafta awards ceremony that suggested suggesting people read further into a racial slur.
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蔚来的焦虑，也投射在用户端。曾经那些对蔚来服务和技术买单的用户，开始变得理性甚至挑剔。。91视频对此有专业解读
More on this storyPhotographer documents British coastline in photos。关于这个话题，服务器推荐提供了深入分析
Burger King said it’s also exploring using Patty as a way to improve customer service. The system can track when employees say key words like “welcome,” “please” and “thank you” and share that with managers.