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: Surgery
[{'content': 'Testicular tumour most sensitive to radiation is? \nSelect and explain. \nA. Teratoma, B. Lymphoma, C. Mixed germ cell tumor, D. Seminoma', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Seminoma", 'role': 'assistant'}]