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': 'True about lathyrism: PGI 09 \nSelect and explain. \nA. Caused by Aspergillus flavus, B. Prevented by parboiling, C. Sanguinarine is the toxic principle, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Patient develops spastic paraplegia', 'role': 'assistant'}]