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: Gynaecology & Obstetrics
[{'content': 'Whiff test is used to detect : \nSelect and explain. \nA. Trichomoniasis, B. Candidial cervicitis, C. Bacterial vaginosis, D. Gonococcal cervictis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Bacterial vaginosis', 'role': 'assistant'}]