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
Thiamine deficiency is known to occur in all of the following except - 
Select and explain. 
A. Food Faddist, B. Homocystenemia, C. Chronic alcoholic, D. Chronic heart failure patient of diuretics
B: Homocystenemia
Answer: B: Homocystenemia 
Explanation: None