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': 'All of the following species of borrelia are associated with tick borne relapsing fever, except - \nSelect and explain. \nA. Borrelia recurrentis, B. Borrelia hermsii, C. Borrelia turicatae, D. Borrelia duttani', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]