A civilization may undergo ruins.Logical formLearned from118 sentences. A threat can be to civilization.Logical formLearned from117 sentences. (Civilization ..s) can be for example.Logical formLearned from115 sentences. A dialogue can be constituted-of-or-filled-with civilizations.Logical formLearned from114 sentences. A threat can be to civilization.Logical formLearned from112 sentences. Civilization may undergo destruction.Logical formLearned from109 sentences. Civilizations may pertain-to persons.Logical formLearned from109 sentences. A state can be constituted-of-or-filled-with civilization.Logical formLearned from108 sentences. A civilization can be complex.Logical formLearned from105 sentences. A civilization can be socialist.Logical formLearned from104 sentences. A civilization can be true.Logical formLearned from100 sentences. Civilizations may seek in leaders.Logical formLearned from99 sentences. A civilization may undergo a development.Logical formLearned from98 sentences. A civilization can be advanced.Logical formLearned from95 sentences. A war can be constituted-of-or-filled-with civilizations.Logical formLearned from94 sentences.