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: Forensic Medicine
[{'content': 'In Kesari dhal poisoning due to Lathyrus sativus, the active principle is: NIMHANS 07; MAHE 08; UPSC 14 \nSelect and explain. \nA. Pyrrozolidine, B. BOAA, C. Argemone oil, D. Pilocarpine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. BOAA', 'role': 'assistant'}]