A civilization can be phoney.Logical formLearned from10 sentences. Remains may pertain-to civilizations.Logical formLearned from10 sentences. A civilization can be archaic.Logical formLearned from10 sentences. Ancient civilizations can be in a continent.Logical formLearned from10 sentences. A civilization can be legendary.Logical formLearned from10 sentences. A civilization may pertain-to a world-city.Logical formLearned from10 sentences. Power may pertain-to a civilization.Logical formLearned from10 sentences. A contribution can be to a civilization.Logical formLearned from10 sentences. Civilizations may collapse.Logical formLearned from10 sentences. A story may pertain-to a civilization.Logical formLearned from10 sentences. A civilization may undergo an appreciation.Logical formLearned from10 sentences. Some periods can be constituted-of-or-filled-with civilization.Logical formLearned from10 sentences. Civilizations can be in the universe.Logical formLearned from10 sentences. An aspect may pertain-to a civilization.Logical formLearned from10 sentences. A bastion can be constituted-of-or-filled-with civilization.Logical formLearned from10 sentences.