A truce may near collapse.Logical formLearned from9 sentences. A (power system) may undergo a collapse.Logical formLearned from9 sentences. A facade may undergo a collapse.Logical formLearned from9 sentences. Families may undergo a collapse.Logical formLearned from9 sentences. Dynasties may undergo a collapse.Logical formLearned from9 sentences. (Family values) may undergo a collapse.Logical formLearned from9 sentences. (Twin towers) may undergo a collapse.Logical formLearned from9 sentences. Politics may undergo a collapse.Logical formLearned from9 sentences. Hopes may undergo a collapse.Logical formLearned from9 sentences. A (building collapse) can be in a world-city.Logical formLearned from9 sentences. A collapse can be a reminder.Logical formLearned from9 sentences. International communism may undergo a collapse.Logical formLearned from9 sentences. A collapse can be in output.Logical formLearned from9 sentences. (Government authority) may undergo a collapse.Logical formLearned from9 sentences. A collapse can be catastrophic.Logical formLearned from9 sentences.