An era of a US-president can be over.Logical formLearned from18 sentences. An era can be constituted-of-or-filled-with innocence.Logical formLearned from18 sentences. A new era can be constituted-of-or-filled-with excellence.Logical formLearned from18 sentences. An end may pertain-to a (dinosaur era).Logical formLearned from18 sentences. A fashion may pertain-to an era.Logical formLearned from18 sentences. Persons may stand on a threshold of a new era.Logical formLearned from18 sentences. Roots can be in an era.Logical formLearned from18 sentences. A king may pertain-to an era.Logical formLearned from18 sentences. Attitudes may pertain-to an era.Logical formLearned from18 sentences. A new era can be in research.Logical formLearned from18 sentences. Symbols may pertain-to an era.Logical formLearned from18 sentences. An era can be constituted-of-or-filled-with economic expansion.Logical formLearned from18 sentences. Entertainers may pertain-to an era.Logical formLearned from18 sentences. A new era can be constituted-of-or-filled-with expansion.Logical formLearned from18 sentences. A colonial era can be in a country.Logical formLearned from18 sentences.