A politician may pertain-to an era.Logical formLearned from31 sentences. An era can be constituted-of-or-filled-with free trade.Logical formLearned from31 sentences. A world-city may enter a new era.Logical formLearned from31 sentences. An era can be constituted-of-or-filled-with information.Logical formLearned from31 sentences. An account may pertain-to an era.Logical formLearned from31 sentences. An era can be shameful.Logical formLearned from31 sentences. An era of justice may arrive.Logical formLearned from31 sentences. An era can be constituted-of-or-filled-with concern.Logical formLearned from31 sentences. An era can be constituted-of-or-filled-with global warming.Logical formLearned from31 sentences. A new era can be constituted-of-or-filled-with trade.Logical formLearned from31 sentences. A role can be in an era.Logical formLearned from31 sentences. An era may pertain-to a continent.Logical formLearned from31 sentences. An era may pertain-to a man.Logical formLearned from30 sentences. Era may begin.Logical formLearned from30 sentences. Players can be in an era.Logical formLearned from30 sentences.