Civilization may undergo a rebuilding.Logical formLearned from5 sentences. Civilizations can be incompatible.Logical formLearned from5 sentences. A civilization may undergo a failure.Logical formLearned from5 sentences. Beings may undergo a civilization.Logical formLearned from5 sentences. Chinese civilization may undergo achievements.Logical formLearned from5 sentences. Respect can be a sign of civilization.Logical formLearned from5 sentences. Unity may pertain-to a civilization.Logical formLearned from5 sentences. Knowledge may pertain-to civilizations.Logical formLearned from5 sentences. Civilizations may be born.Logical formLearned from5 sentences. Civilization may undergo a substance.Logical formLearned from5 sentences. Civilization can be superior.Logical formLearned from5 sentences. Representative may pertain-to a civilization.Logical formLearned from5 sentences. A person may call civilization.Logical formLearned from5 sentences. First civilizations may undergo a development.Logical formLearned from5 sentences. A nature may pertain-to civilizations.Logical formLearned from5 sentences.