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': 'Differentiating feature of Neisseria gonococcus from Neisseria meningitides is ? \nSelect and explain. \nA. Lactose fermentation, B. Maltose fermentation, C. Mannitol fermentation, D. Sucrose fermentation', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Maltose fermentation", 'role': 'assistant'}]