An era may pertain-to a male.Logical formLearned from16 967 sentences. An era may pertain-to a US-president.Logical formLearned from5 105 sentences. An era may pertain-to a country.Logical formLearned from3 266 sentences. An era may pertain-to a person.Logical formLearned from3 091 sentences. An era may pertain-to persons.Logical formLearned from2 964 sentences. An era can be bygone.Logical formLearned from2 787 sentences. An end may pertain-to an era.Logical formLearned from2 595 sentences. Some era can be in some starts.Logical formLearned from2 072 sentences. An era may pertain-to a female.Logical formLearned from1 613 sentences. An era can be in some starts.Logical formLearned from1 594 sentences. Some era can be in some games.Logical formLearned from1 566 sentences. A (calendar era) may become a method.Logical formLearned from1 295 sentences. A new era can be constituted-of-or-filled-with cooperation.Logical formLearned from1 121 sentences. An era may pertain-to a dictator.Logical formLearned from1 089 sentences. A beginning may pertain-to an era.Logical formLearned from1 001 sentences.