A day may celebrate a birthday.Logical formLearned from24 sentences. A person may come for a birthday.Logical formLearned from24 sentences. Persons may sing birthday to a female.Logical formLearned from24 sentences. A birthday may be approached.Logical formLearned from24 sentences. A (birthday present) may pertain-to a mom.Logical formLearned from24 sentences. A (birthday party) can be for a male.Logical formLearned from24 sentences. A male can be a birthday.Logical formLearned from24 sentences. A cake can be for a birthday.Logical formLearned from24 sentences. Months can be before a birthday.Logical formLearned from24 sentences. Flowers can be for a birthday.Logical formLearned from24 sentences. Everyone may sing birthday.Logical formLearned from24 sentences. A (birthday party) may be held.Logical formLearned from24 sentences. A birthday may pertain-to husband.Logical formLearned from24 sentences. A female may undergo a (birthday party).Logical formLearned from24 sentences. A birthday can be with a party.Logical formLearned from24 sentences.