Conjunction can be with a birthday.Logical formLearned from57 sentences. A day can be as a birthday.Logical formLearned from56 sentences. A (31st birthday) may pertain-to a female.Logical formLearned from56 sentences. A friend may celebrate a birthday.Logical formLearned from56 sentences. A female may forget a birthday.Logical formLearned from56 sentences. A female may mark a birthday.Logical formLearned from56 sentences. Persons may have a birthday.Logical formLearned from56 sentences. A present can be on a birthday.Logical formLearned from56 sentences. A week can be a birthday.Logical formLearned from55 sentences. A birthday may pertain-to a singer.Logical formLearned from55 sentences. A birthday can be to a female.Logical formLearned from55 sentences. Friends may undergo birthdays.Logical formLearned from54 sentences. A person may attend a (birthday party).Logical formLearned from54 sentences. A (birthday party) can be fun.Logical formLearned from54 sentences. Plans can be for a birthday.Logical formLearned from54 sentences.