This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Causes of DIC are all except : \nSelect and explain. \nA. Abruption placentae, B. Fat emboli, C. Amniotic fluid embolism, D. IUD', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Fat emboli', 'role': 'assistant'}]