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': 'Sex reassignment surgery is done in ? \nSelect and explain. \nA. Gender identity disorder, B. Premature ejaculation, C. Erectile dysfunction, D. Orgasmic dysfunction', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Gender identity disorderMany persons with gender identity disorder have sought sex-reassignment surgery, that is, physical change that is constant with their cross sexual identity.', 'role': 'assistant'}]