An era can be on a road.Logical formLearned from61 sentences. An end may pertain-to a soviet era.Logical formLearned from61 sentences. Issues may pertain-to an era.Logical formLearned from61 sentences. A (colonial era) may pertain-to a country.Logical formLearned from61 sentences. An end may pertain-to a silent era.Logical formLearned from60 sentences. Musicians may pertain-to an era.Logical formLearned from60 sentences. An era may pertain-to a religious-leader.Logical formLearned from60 sentences. Crimes may pertain-to an era.Logical formLearned from60 sentences. A challenge may pertain-to an era.Logical formLearned from60 sentences. An era can be in politics.Logical formLearned from60 sentences. An era can be constituted-of-or-filled-with (software power).Logical formLearned from60 sentences. Literature may pertain-to an era.Logical formLearned from60 sentences. An era can be for a US-city.Logical formLearned from60 sentences. A new era can be constituted-of-or-filled-with progress.Logical formLearned from60 sentences. An era may come to a close.Logical formLearned from60 sentences.