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': 'Deliriant poison is - \nSelect and explain. \nA. Datura, B. Alcohol, C. Opium, D. Arsenic', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Deliriant poisons are Dhatura, belladonna, hyoscyamus and cannabis indica', 'role': 'assistant'}]