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: Radiology
[{'content': 'Hot spots in bone scan are seen in the following conditions except - \nSelect and explain. \nA. Osteomyelitis, B. Multiple myeloma, C. Hyperparathyroidism, D. Metastases', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Multiple myeloma shows cold scan.', 'role': 'assistant'}]