A wing may undergo a birthday.Logical formLearned from82 sentences. A birthday may arrive.Logical formLearned from81 sentences. Persons may celebrate birthdays.Logical formLearned from81 sentences. A person may go for a birthday.Logical formLearned from81 sentences. A birthday can be fabulous.Logical formLearned from81 sentences. A birthday can be for a person.Logical formLearned from81 sentences. A father may undergo a birthday.Logical formLearned from80 sentences. Plans can be for a birthday.Logical formLearned from80 sentences. Today can be (birthday ..).Logical formLearned from79 sentences. Birthday may come_up.Logical formLearned from79 sentences. A birthday may pertain-to a show-biz-star.Logical formLearned from79 sentences. A (birthday concert) may pertain-to a male.Logical formLearned from78 sentences. (Birthday plans) may pertain-to a person.Logical formLearned from78 sentences. A birthday can be sweet.Logical formLearned from78 sentences. A female may throw a (birthday party).Logical formLearned from77 sentences.