This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiomyopathies, Subject name: Medicine
[{'content': 'RCM is caused by all except? \nSelect and explain. \nA. Fatty infiltration of myocardium, B. Amyloidosis, C. Ergotamine, D. Carcinoid syndrome', 'role': 'user'}, {'content': "Answer: A \nExplanation: Causes of Restrictive Cardiomyopathy: Amyloidosis Hemochromatosis Fabry's disease Glycogen storage disease (II, III) Radiation Scleroderma Tropical Endomyocardial Fibrosis Hyper-eosinophilic syndrome (Loffler's endocarditis) Carcinoid syndrome Radiation Drugs: e.g., serotonin, Ergotamine", 'role': 'assistant'}]