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': "Vincent's angina is caused by Borrelia vincentii along with: \nSelect and explain. \nA. Lactobacillus, B. Lactobacillus, C. Fusobacterium, D. Bacteroides", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Fusobacterium', 'role': 'assistant'}]