This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
[{'content': "MPS without corneal clouding is? \nSelect and explain. \nA. Hurler's disease, B. Hunter's disease, C. sly syndrome, D. Maroteaux Lamy syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]