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: Pediatrics
[{'content': "Which one of the following is NOT a feature of Turner's syndrome - \nSelect and explain. \nA. Sho stature, B. Mental retardation, C. Coarctation of aoa, D. Lymphedema", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Mental retardation", 'role': 'assistant'}]