This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sickle Cell Anemia, Subject name: Medicine
[{'content': 'The organism causing osteomyelitis in sickle cell anemia: \nSelect and explain. \nA. Salmonella, B. Staphylococcus, C. H. influenza, D. E.coli', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Salmonella o Most common cause of osteomyelitis in sickle cell anemia is salmonella.", 'role': 'assistant'}]