Civilization may begin.Logical formLearned from93 sentences. Civilization may collapse.Logical formLearned from92 sentences. Civilizations may undergo a development.Logical formLearned from90 sentences. A person may like civilization.Logical formLearned from90 sentences. A country can be a civilization.Logical formLearned from89 sentences. A sign can be constituted-of-or-filled-with civilization.Logical formLearned from87 sentences. A country may undergo civilizations.Logical formLearned from86 sentences. Western civilization may undergo a development.Logical formLearned from85 sentences. Persons may call civilization.Logical formLearned from85 sentences. Human civilization may undergo a development.Logical formLearned from83 sentences. Civilizations can be from a beginning of history.Logical formLearned from83 sentences. A civilization can be byzantine.Logical formLearned from82 sentences. A civilization may undergo a decline.Logical formLearned from81 sentences. A cradle may pertain-to a civilization.Logical formLearned from81 sentences. An end may pertain-to a civilization.Logical formLearned from80 sentences.