This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'A patient presented to the OPD with clinical features of pneumonia. Sputum examination of the patient revealed a gram positive cocci with alpha hemolysis on sheep agar. Which test will you do to confirm the diagnosis? \nSelect and explain. \nA. Coagulase test, B. Bacitracin sensitivity, C. CAMP test, D. Bile solubility', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The clinical features and microbiological characteristics are suggestive of pneumococcal pneumonia The diagnosis can be confirmed by Bile solubility and Optochin sensitivity Reference: Ananthanarayan and Paniker&;s Textbook of Microbiology Tenth edition', 'role': 'assistant'}]