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': 'A farmer was brought to the casualty with restlessness & agitation. Examination shows temp. 103° F, flushed face, pupils dilated and fixed. The diagnosis is - \nSelect and explain. \nA. Datura poisoning, B. Organophosphorus poisoning, C. Diazepam poisoning, D. Opium poisoning', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Among the given options, only datura causes dilatation of pupil. All the other features given in question are also seen in datura poisoning.', 'role': 'assistant'}]