A birthday can be a month.Logical formLearned from74 sentences. A US-president may undergo a birthday.Logical formLearned from73 sentences. A celebration can be for a birthday.Logical formLearned from73 sentences. A (birthday party) may pertain-to a dad.Logical formLearned from73 sentences. A (birthday present) can be to him-or-herself.Logical formLearned from73 sentences. A camera can be for a birthday.Logical formLearned from73 sentences. (Birthday parties) may pertain-to a male.Logical formLearned from73 sentences. A (birthday party) can be in a US-city.Logical formLearned from73 sentences. A family may celebrate a birthday.Logical formLearned from72 sentences. A birthday can be a week.Logical formLearned from72 sentences. A person may get a (birthday present).Logical formLearned from72 sentences. A (birthday party) can be for a person.Logical formLearned from72 sentences. Ideas can be for (birthday parties).Logical formLearned from71 sentences. A US-president may celebrate a birthday.Logical formLearned from71 sentences. A (birthday present) can be wonderful.Logical formLearned from71 sentences.