This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inborn Errors of Metabolism, Subject name: Pediatrics
[{'content': "A 12-year-old girl with the mood and emotional liability has a golden brown discoloration in descemet membrane. Most likely diagnosis is: \nSelect and explain. \nA. Fabry's disease, B. Wilson's disease, C. Glycogen storage disease, D. Acute rheumatic fever", 'role': 'user'}, {'content': "Answer: B \nExplanation: b. Wilson's disease(Ref: Nelson's 20/e p 1939-1940, Ghai 8/e p 320-321)KF ring in Wilson disease is due to deposition of Copper in the Descemet membrane layer of cornea.", 'role': 'assistant'}]