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': 'Dilated pupil with coma is seen in which poisoning - \nSelect and explain. \nA. Opium, B. Dhatura, C. Mushroom, D. Pilocarpus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]