Civilization may crumble.Logical formLearned from22 sentences. Persons may decide a fate of civilization.Logical formLearned from22 sentences. A country can be an ancient civilization.Logical formLearned from22 sentences. Civilizations may manifest richness.Logical formLearned from22 sentences. Ancient civilizations can be older.Logical formLearned from22 sentences. Western civilization may undergo achievements.Logical formLearned from22 sentences. (Chess players) can be in an ethos of a richness of civilizations.Logical formLearned from22 sentences. Aspects may pertain-to a civilization.Logical formLearned from22 sentences. A history may pertain-to civilizations.Logical formLearned from22 sentences. A dialogue can be between civilizations.Logical formLearned from22 sentences. A model may show civilization.Logical formLearned from22 sentences. A civilization may disappear.Logical formLearned from22 sentences. Life may undergo a civilization.Logical formLearned from22 sentences. A civilization may undergo a birth.Logical formLearned from21 sentences. A civilization may undergo an understanding.Logical formLearned from21 sentences.