A birthday may pertain-to a niece.Logical formLearned from295 sentences. (Birthday celebrations) may pertain-to a male.Logical formLearned from295 sentences. A (birthday bash) may pertain-to a female.Logical formLearned from288 sentences. A birthday may pertain-to a religious-leader.Logical formLearned from285 sentences. A morning may pertain-to a birthday.Logical formLearned from285 sentences. A (birthday money) may pertain-to a person.Logical formLearned from280 sentences. A birthday may pertain-to a month.Logical formLearned from278 sentences. A (birthday party) may pertain-to a friend.Logical formLearned from277 sentences. A birthday may pertain-to a doctor.Logical formLearned from273 sentences. A birthday may pertain-to a world-city.Logical formLearned from271 sentences. A night may pertain-to a birthday.Logical formLearned from269 sentences. A birthday may come_up.Logical formLearned from269 sentences. A female may undergo a birthday.Logical formLearned from268 sentences. A birthday can be nice.Logical formLearned from268 sentences. Birthdays may pertain-to a month.Logical formLearned from263 sentences.