A (birthday weekend) may pertain-to a female.Logical formLearned from99 sentences. A (birthday card) may pertain-to a male.Logical formLearned from98 sentences. A person may look to a birthday.Logical formLearned from97 sentences. A female may spend a birthday.Logical formLearned from96 sentences. A birthday may pertain-to ally.Logical formLearned from96 sentences. A birthday may be passed.Logical formLearned from96 sentences. Birthdays may pertain-to kids.Logical formLearned from96 sentences. A person may celebrate a birthday on a month.Logical formLearned from96 sentences. Birthdays may pertain-to children.Logical formLearned from95 sentences. A person may approach a birthday.Logical formLearned from94 sentences. A twin sister can be at a (birthday party).Logical formLearned from94 sentences. A male may forget a birthday.Logical formLearned from93 sentences. Someone can be with a birthday.Logical formLearned from93 sentences. Celebrations can be for a birthday.Logical formLearned from93 sentences. A person can be a birthday.Logical formLearned from92 sentences.