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': 'Pontiac fever is caused by \nSelect and explain. \nA. Legionella micdadei, B. Legionella pneumophilia, C. Legionella adelaidensis, D. Legionella anisa', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pontaic fever is a mild ,non fatal ,influenza like illness with fever chills,myalgia and headache.caused by legioneola pneumophila belongs to family legionellaceae. Ref:anantnarayan and panikers 10 the edition', 'role': 'assistant'}]