(Birthday suits) may pertain-to persons.Logical formLearned from19 sentences. A friend may celebrate a birthday.Logical formLearned from19 sentences. Honor may pertain-to birthdays.Logical formLearned from19 sentences. A (birthday present) can be from parents.Logical formLearned from19 sentences. Model may undergo a (birthday party).Logical formLearned from19 sentences. President may undergo a birthday.Logical formLearned from19 sentences. Occasion may pertain-to a birthday.Logical formLearned from18 sentences. A birthday may be declared.Logical formLearned from18 sentences. A birthday may undergo an event.Logical formLearned from18 sentences. A (birthday anniversary) may pertain-to a person.Logical formLearned from18 sentences. A grandson may undergo a birthday.Logical formLearned from18 sentences. A birthday may pertain-to an university.Logical formLearned from18 sentences. A birthday can be an affair.Logical formLearned from18 sentences. Stuff can be for a birthday.Logical formLearned from18 sentences. An (or birthday gift) may pertain-to a religious-holiday.Logical formLearned from18 sentences.