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': 'Which of the following is not true of Diplococcus pneumoniae - \nSelect and explain. \nA. Bile solubility, B. Optochin resistance, C. Causes Meningitis, D. Possesses capsule', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Optochin resistance . Pneumococcus is optochin senstive (not resistant). The senstivity of pneumococci to optochin is useful in differentiating them from streptococci.", 'role': 'assistant'}]