An era can be repressive.Logical formLearned from59 sentences. An era may be witnessed.Logical formLearned from59 sentences. An era can be black.Logical formLearned from59 sentences. An era can be vanished.Logical formLearned from59 sentences. Persons may live through an era.Logical formLearned from59 sentences. Players may pertain-to an era.Logical formLearned from59 sentences. Some starts can be with some era.Logical formLearned from58 sentences. Men may pertain-to an era.Logical formLearned from58 sentences. A new era can be constituted-of-or-filled-with medicine.Logical formLearned from58 sentences. Lessons may pertain-to an era.Logical formLearned from58 sentences. An era may undergo abuses.Logical formLearned from58 sentences. Era may undergo a change.Logical formLearned from57 sentences. End may pertain-to an era.Logical formLearned from57 sentences. An era can be prewar.Logical formLearned from57 sentences. An era can be constituted-of-or-filled-with (oil prices).Logical formLearned from57 sentences.