input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A stillborn infant is delivered at 38 weeks' gestation to a 32-year-old woman. The mother had no prenatal care. Examination of the stillborn shows a small pelvis, shallow intergluteal cleft, and club feet. An x-ray shows the absence of the sacrum and lumbar vertebrae. Which of the following is the strongest predisposing factor for this patient's condition?   (A) Maternal oligohydramnios   (B) Intrauterine alcohol exposure   (C) Maternal diabetes   (D) Chromosome 18 trisomy
output: ['(C) Maternal diabetes <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Maternal oligohydramnios  (B) Intrauterine alcohol exposure  (C) Maternal diabetes  (D) Chromosome 18 trisomy <> possible answers', "  A stillborn infant is delivered at 38 weeks' gestation to a 32-year-old woman. The mother had no prenatal care. Examination of the stillborn shows a small pelvis, shallow intergluteal cleft, and club feet. An x-ray shows the absence of the sacrum and lumbar vertebrae. Which of the following is the strongest predisposing factor for this patient's condition? <> context"]