Civilizations can be in the world.Logical formLearned from18 sentences. Human civilization may undergo an extinction.Logical formLearned from18 sentences. Civilizations can be past.Logical formLearned from18 sentences. Civilizations can be in a country.Logical formLearned from18 sentences. Civilization may undergo a creation.Logical formLearned from18 sentences. Western civilization can be superior.Logical formLearned from18 sentences. An aspect can be constituted-of-or-filled-with civilization.Logical formLearned from18 sentences. A civilization may pertain-to mankind.Logical formLearned from17 sentences. Origins may pertain-to a civilization.Logical formLearned from17 sentences. Civilizations can be brilliant.Logical formLearned from17 sentences. A period may pertain-to a civilization.Logical formLearned from17 sentences. Roots may pertain-to a civilization.Logical formLearned from17 sentences. An influence may pertain-to a civilization.Logical formLearned from17 sentences. A civilization may survive.Logical formLearned from17 sentences. Civilization may undergo institutions.Logical formLearned from17 sentences.