This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hea failure, Subject name: Medicine
[{'content': 'Which of the following causes hea failure with reduced ejection fraction? \nSelect and explain. \nA. Restrictive cardiomyopathy, B. Hemochromatosis, C. Amyloidosis, D. Dilated Cardiomyopathy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]