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': 'Which poisoning is also known as st Anthony fire? \nSelect and explain. \nA. Heroin poisoning, B. Ergot poisoning, C. Mushroom poisoning, D. Dhatura poisoning', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ergotism is an intensely painful barning sensation in the limbs and extremities caused by ergotamines from a fungus (claviceps paripurea)\xa0that can contaminate rye and wheat.', 'role': 'assistant'}]