Civilization may encroach.Logical formLearned from6 sentences. A person may come in search of a civilization.Logical formLearned from6 sentences. Secrets may pertain-to a civilization.Logical formLearned from6 sentences. Civilizations can be elaborate.Logical formLearned from6 sentences. (Radio signals) can be from alien civilizations.Logical formLearned from6 sentences. Liberal democracy may become a shibboleth of western civilization.Logical formLearned from6 sentences. A concept can be constituted-of-or-filled-with civilization.Logical formLearned from6 sentences. An idea of fame may rule civilization.Logical formLearned from6 sentences. Some civilizations can be over some years.Logical formLearned from6 sentences. Artifacts can be from civilizations.Logical formLearned from6 sentences. Human civilization may undergo a creation.Logical formLearned from6 sentences. Civilization may undergo unfoldings.Logical formLearned from6 sentences. Ancient civilizations can be in a country.Logical formLearned from6 sentences. A new-world order may be based on cooperation of civilizations.Logical formLearned from6 sentences. A civilization can be imperial.Logical formLearned from6 sentences.