Hallmarks may pertain-to an era.Logical formLearned from20 sentences. An era can be an one.Logical formLearned from20 sentences. An era of government can be over.Logical formLearned from20 sentences. A landscape may pertain-to an era.Logical formLearned from20 sentences. Histories may pertain-to an era.Logical formLearned from20 sentences. A new era can be constituted-of-or-filled-with harmony.Logical formLearned from20 sentences. Figures may pertain-to an era.Logical formLearned from20 sentences. An era may pertain-to a bank.Logical formLearned from20 sentences. Machines may pertain-to an era.Logical formLearned from20 sentences. An era may pertain-to a city.Logical formLearned from20 sentences. A portrait may show an era.Logical formLearned from20 sentences. An era can be constituted-of-or-filled-with (information overload).Logical formLearned from20 sentences. An era may pertain-to an engineer/inventor.Logical formLearned from20 sentences. A trend may pertain-to an era.Logical formLearned from20 sentences. A nostalgia can be for an era.Logical formLearned from20 sentences.