A civilization can be marvelous.Logical formLearned from6 sentences. Civilizations may be built.Logical formLearned from6 sentences. Persons may pertain-to a civilization.Logical formLearned from6 sentences. Relics may pertain-to a civilization.Logical formLearned from6 sentences. Progress can be toward civilization.Logical formLearned from6 sentences. A measure can be constituted-of-or-filled-with civilization.Logical formLearned from6 sentences. Civilization may teeter on a brink.Logical formLearned from6 sentences. A river can be crucial to a birth of civilization.Logical formLearned from6 sentences. A persons may undergo a civilization.Logical formLearned from6 sentences. A place may be reserved in a march of civilization.Logical formLearned from6 sentences. A civilization may contribute to some humanity.Logical formLearned from6 sentences. A civilization may take a long view.Logical formLearned from6 sentences. City can be weary of civilization.Logical formLearned from6 sentences. A course can be on civilization.Logical formLearned from6 sentences. A civilization can be complex.Logical formLearned from6 sentences.