A zeitgeist may pertain-to an era.Logical formLearned from20 sentences. A period can be an era.Logical formLearned from20 sentences. An era may undergo a conflict.Logical formLearned from20 sentences. Nostalgia can be for a soviet era.Logical formLearned from20 sentences. An era may undergo an interpretation.Logical formLearned from20 sentences. A success may pertain-to an era.Logical formLearned from20 sentences. An era may undergo struggles.Logical formLearned from20 sentences. An era may pertain-to a video-game.Logical formLearned from20 sentences. An era can be totalitarian.Logical formLearned from20 sentences. An era can be constituted-of-or-filled-with constraints.Logical formLearned from20 sentences. Persons may look to a new era.Logical formLearned from20 sentences. An era can be constituted-of-or-filled-with greatness.Logical formLearned from20 sentences. An era can be constituted-of-or-filled-with restraint.Logical formLearned from20 sentences. An era can be constituted-of-or-filled-with (spending programs).Logical formLearned from20 sentences. A US-president may usher in an era of (spending programs).Logical formLearned from20 sentences.