tasks = append(tasks, t)
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.
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他在會中主持一場由重量級人士參與的座談，包括英國前首相東尼·布萊爾（（Tony Blair，貝里雅，托尼·布萊爾）、約旦國王阿卜杜拉二世，以及時任美國國務卿康多莉莎・賴斯（Condoleezza Rice）。，详情可参考服务器推荐
"content": item.content.replace("\n", " ").strip()，这一点在im钱包官方下载中也有详细论述