This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Gynaecology & Obstetrics
[{'content': 'Bacterial vaginosis is caused by all except \nSelect and explain. \nA. Gardnerella, B. Mobiluncus, C. Proteus, D. Coccobacillus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Proteus does not cause Bacterial vaginosis Bacterial vaginosis MC Vaginitis Caused by Gardnerella vaginalis, Ureaplasma urealyticum, Mobiluncus species, Mycoplasma hominis, and Prevotella species. Gardnerella vaginalis is an example of Coccobacillus', 'role': 'assistant'}]