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': 'Systemic desensitization therapy is used for - \nSelect and explain. \nA. Phobia, B. Depression, C. Schizophrenia, D. Organic brain syndrome', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Systemic desensitization is used for phobia & OCD.', 'role': 'assistant'}]