An era may pertain-to a personal computer.Logical formLearned from18 sentences. An era can be constituted-of-or-filled-with international travel.Logical formLearned from18 sentences. A picture may show an era.Logical formLearned from18 sentences. A policy may pertain-to an era.Logical formLearned from18 sentences. An end may pertain-to a golden era.Logical formLearned from18 sentences. Today may mark a beginning of a new era.Logical formLearned from18 sentences. A new era can be on a road.Logical formLearned from18 sentences. A male can be 4-0 with some era.Logical formLearned from18 sentences. An (era history) can be open.Logical formLearned from18 sentences. Persons may end an era.Logical formLearned from18 sentences. A US-president may usher in an era.Logical formLearned from18 sentences. A snapshot may show an era.Logical formLearned from18 sentences. A process of escalation may unfold reminiscent of an era.Logical formLearned from18 sentences. An end may pertain-to an (oil era).Logical formLearned from18 sentences. An artifact may pertain-to an era.Logical formLearned from18 sentences.