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: Medicine
[{'content': "Cardiac involvement is present in all except - \nSelect and explain. \nA. Fascio scapulo humeral dystrophy, B. Ducchenes dystrophy, C. Fredreick's ataxia, D. Myotonic dystrophy", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]