A niece may undergo a birth.Logical formLearned from66 sentences. A date of birth may be knowned.Logical formLearned from66 sentences. A mother may die after a birth.Logical formLearned from66 sentences. A princess may undergo a birth.Logical formLearned from66 sentences. A (birth control pill) may pertain-to a person.Logical formLearned from66 sentences. A brand can be constituted-of-or-filled-with (birth control pills).Logical formLearned from66 sentences. A woman may give birth to a boy.Logical formLearned from66 sentences. A (birth country) may pertain-to a female.Logical formLearned from66 sentences. Births can be high-risk.Logical formLearned from66 sentences. Women may give birth to babies.Logical formLearned from66 sentences. Cinema may undergo a birth.Logical formLearned from66 sentences. A birth can be in a world-city.Logical formLearned from65 sentences. A person may give birth to a boy.Logical formLearned from65 sentences. A political-leader may undergo a birth.Logical formLearned from65 sentences. A female may give birth to boys.Logical formLearned from65 sentences.