This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Testis & Scrotum, Subject name: Surgery
[{'content': 'Which of the following testicular carcinoma is not germ cell tumor - \nSelect and explain. \nA. Embryonal cell carcinoma, B. Teratoma, C. Choriocarcinoma, D. Gonadoblastoma', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Gonadoblastoma", 'role': 'assistant'}]