Release can be on a birthday.Logical formLearned from18 sentences. A birthday can be fabulous.Logical formLearned from18 sentences. A father may celebrate a birthday.Logical formLearned from18 sentences. A person may throw a male a (birthday party).Logical formLearned from18 sentences. A weekday can be (birthday celebration).Logical formLearned from18 sentences. A birthday can be in a couple of weeks.Logical formLearned from18 sentences. Birthdays may pertain-to some friends.Logical formLearned from18 sentences. A bicycle can be for a birthday.Logical formLearned from18 sentences. Persons may celebrate a birthday with a party.Logical formLearned from18 sentences. A weekday may mark a birthday.Logical formLearned from18 sentences. Sisters may celebrate birthdays.Logical formLearned from18 sentences. A family can be for birthdays.Logical formLearned from18 sentences. A (birthday trip) may pertain-to a female.Logical formLearned from18 sentences. (Birthday cards) can be to personal letters.Logical formLearned from18 sentences. (College notes) may state a birthday.Logical formLearned from18 sentences.