This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
Which one of the following is not a cause for "Restrictive cardiomyopathy" - 
Select and explain. 
A. Alcohol, B. Hemochromatosis, C. Amyloidosis, D. Sarcoidosis
A: Alcohol
Answer: A: Alcohol 
Explanation: Ref: Harrison&;s 19th E: pg: 1566. Most common cause of restrictive cardiomyopathy is amylodosis. The least common of the physiologic triad of cardiomyopathies is restrictive cardiomyopathy, which is dominated by abnormal diastolic function, often with mildly decreased contractility and ejection fraction (usually >30-50%). Other causes : hemochromatosis, hyper and hypothyroidism, pheochromocytoma, nutritional deficiencies., sarcoidosis.