A dinosaur may feed on plants of an era.Logical formLearned from18 sentences. An era can be experimental.Logical formLearned from18 sentences. An era can be constituted-of-or-filled-with advances.Logical formLearned from18 sentences. Some era can be in a span.Logical formLearned from18 sentences. A song can be from an era.Logical formLearned from18 sentences. Eras may pertain-to a history.Logical formLearned from18 sentences. Concerns may pertain-to an era.Logical formLearned from18 sentences. Novels may pertain-to an era.Logical formLearned from18 sentences. A golden era may undergo a start.Logical formLearned from18 sentences. Actresses may pertain-to an era.Logical formLearned from18 sentences. Intellectuals may pertain-to an era.Logical formLearned from18 sentences. An era can be constituted-of-or-filled-with high technology.Logical formLearned from18 sentences. A prosperity may pertain-to an era.Logical formLearned from18 sentences. Levels may pertain-to an era.Logical formLearned from18 sentences. A (reform era) may pertain-to a country.Logical formLearned from18 sentences.