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: Social & Preventive Medicine
Toxin associated with epidemic dropsy ? 
Select and explain. 
A. BOAA, B. Sanguinarine, C. Aflatoxin, D. Pyrrozolidine
B: Sanguinarine
Answer: B: Sanguinarine 
Explanation: Ans. is 'b' i.e., Sanguinarine