A drop can be in (birth rates).Logical formLearned from31 sentences. (Birth defects) can be in children.Logical formLearned from31 sentences. A new country may undergo a birth.Logical formLearned from31 sentences. A girlfriend may give birth.Logical formLearned from31 sentences. President may undergo a birth.Logical formLearned from31 sentences. A (birth certificate) may be forged.Logical formLearned from31 sentences. Deaths may exceed births.Logical formLearned from30 sentences. A birth can be as a nation.Logical formLearned from30 sentences. Some years can be before a birth.Logical formLearned from30 sentences. A county may pertain-to a birth.Logical formLearned from30 sentences. A female may give birth to some puppies.Logical formLearned from30 sentences. A birth may undergo celebrations.Logical formLearned from30 sentences. Women can be constituted-of-or-filled-with birth.Logical formLearned from30 sentences. Some months can be before a birth.Logical formLearned from30 sentences. A girlfriend may give birth to a first child.Logical formLearned from30 sentences.