A female may share a birthday.Logical formLearned from40 sentences. A birthday may undergo recognition.Logical formLearned from40 sentences. A birthday may pertain-to some year.Logical formLearned from40 sentences. (Birthday parties) may pertain-to children.Logical formLearned from40 sentences. Today can be a birthday of a male.Logical formLearned from40 sentences. A (birthday party) can be impromptu.Logical formLearned from40 sentences. Weeks can be shy of a birthday.Logical formLearned from40 sentences. A woman may celebrate a birthday by helping a son.Logical formLearned from40 sentences. Everyone may send a person (birthday wishes).Logical formLearned from40 sentences. Persons may celebrate some birthdays.Logical formLearned from40 sentences. A person may get on a birthday.Logical formLearned from40 sentences. A date can be a birthday.Logical formLearned from40 sentences. A male may be born on a birthday.Logical formLearned from40 sentences. An interview can be on a birthday.Logical formLearned from40 sentences. A daughter may celebrate a birthday.Logical formLearned from40 sentences.