This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radiotherapy Pa 1, Subject name: Radiology
[{'content': 'Which of the following tumor is radiosensitive? \nSelect and explain. \nA. Melanoma, B. Pancreatic Ca, C. Osteosarcoma, D. Ewings sarcoma', 'role': 'user'}, {'content': "Answer: D \nExplanation: RADIOSENSITIVE TUMORS : WILM'S TUMOR EWING'S SARCOMA LYMPHOMA SEMINOMA MULTIPLE MYELOMA MEDULLOBLASTOMA PINEALOBLASTOMA RADIORESISTANT TUMOR : MELANOMA OSTEOSARCOMA PANCREATIC CARCINOMA", 'role': 'assistant'}]