A (birthday dinner) may pertain-to persons.Logical formLearned from20 sentences. Persons may sing a (birthday song).Logical formLearned from20 sentences. A birthday may pertain-to coach.Logical formLearned from20 sentences. A coverage may pertain-to a birthday.Logical formLearned from20 sentences. A (birthday party) may pertain-to a man.Logical formLearned from20 sentences. Birthdays can be memorable.Logical formLearned from20 sentences. Birthdays can be wonderful.Logical formLearned from20 sentences. Persons can be at a (birthday party).Logical formLearned from20 sentences. A birthday may pertain-to a (family member).Logical formLearned from20 sentences. A birthday may pertain-to children.Logical formLearned from20 sentences. A person may buy him-or-herself a (birthday present).Logical formLearned from20 sentences. (Birthday celebrations) can be lavish.Logical formLearned from20 sentences. A (birthday present) can be from a female.Logical formLearned from20 sentences. A (birthday cake) may undergo a cutting.Logical formLearned from20 sentences. A birthday can be miserable.Logical formLearned from20 sentences.