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': 'Post term pregnancy is that which continues beyond : \nSelect and explain. \nA. 300 days, B. 294 days, C. 280 days, D. 270 days', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 294 days', 'role': 'assistant'}]