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: Psychiatry
[{'content': 'Psychosurgery is used in ? \nSelect and explain. \nA. Phobia, B. Generalized anxiety, C. OCD, D. Depression', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., OCD", 'role': 'assistant'}]