Friends may undergo birthdays.Logical formLearned from22 sentences. A female may know a birthday.Logical formLearned from22 sentences. Candles can be on a (birthday cake).Logical formLearned from22 sentences. A weekend can be after a birthday.Logical formLearned from22 sentences. A (birthday dinner) may pertain-to a mom.Logical formLearned from22 sentences. A birthday can be a 23rd.Logical formLearned from22 sentences. (Birthday wishes) may come true.Logical formLearned from22 sentences. A birthday can be okay.Logical formLearned from22 sentences. A birthday may pertain-to a younger brother.Logical formLearned from22 sentences. A birthday can be less.Logical formLearned from22 sentences. A birthday may pertain-to dhs.Logical formLearned from22 sentences. Weeks can be after a birthday.Logical formLearned from22 sentences. A person may dread a birthday.Logical formLearned from22 sentences. A birthday may pertain-to an organization.Logical formLearned from22 sentences. A computer can be for a birthday.Logical formLearned from22 sentences.