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': 'Meningococci differ from gonococci in that they- \nSelect and explain. \nA. Are intra-cellular, B. Possess a capsule, C. Cause fermentation of glucose, D. Are oxidase positive', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]