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': 'Pin point pupil is seen in all except \nSelect and explain. \nA. Pontine hemorrhage, B. Organophosphorus poisoning, C. Opium poisoning, D. Barbiturates poisoning', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pin point pupil can be caused by : Opioids (morphine), organophosphates, phenothiazines, clonidine, mushroom poisoning, chloral hydrate, carbolic acid and pontine hemorrhage.', 'role': 'assistant'}]