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: Unknown
[{'content': 'Following shown condition is least common in: \nSelect and explain. \nA. Frank breech, B. Transverse lie, C. Footling presentation, D. Brow presentation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Abnormal Labour patterns diagnostic criteria and potential it.', 'role': 'assistant'}]