A country may pertain-to an era.Logical formLearned from45 sentences. A male may have an era.Logical formLearned from45 sentences. Songs may pertain-to an era.Logical formLearned from45 sentences. An era may pertain-to a league.Logical formLearned from45 sentences. A new era can be constituted-of-or-filled-with trust.Logical formLearned from45 sentences. An era can be short.Logical formLearned from45 sentences. Some words may usher in a start of a new era.Logical formLearned from45 sentences. A person may live in an era.Logical formLearned from45 sentences. An arena may interfere with an era.Logical formLearned from45 sentences. An era can be in a life.Logical formLearned from45 sentences. A president may pertain-to an era.Logical formLearned from45 sentences. A departure may mark an end of an era.Logical formLearned from45 sentences. An era can be constituted-of-or-filled-with transition.Logical formLearned from45 sentences. Politicians may pertain-to an era.Logical formLearned from44 sentences. An era may undergo a rise.Logical formLearned from44 sentences.