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: Microbiology
[{'content': "Bacteria used in Griffith's experiment is \nSelect and explain. \nA. Pneumococci, B. Neisseria, C. Acinetobacter, D. Pseudomonas", 'role': 'user'}, {'content': "Answer: A \nExplanation: Griffith's experiment is done on mice using pneumoccal strains.", 'role': 'assistant'}]