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': 'Non-gonococcal vaginal discharge, dysuria and frequency of urine may be due to infection with: March 2003 \nSelect and explain. \nA. Trichomonas vaginalis, B. Trichomonas vaginalis, C. Candida albicans, D. Chlamydia trachomatis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D i.e. Chlamydia trachomatis', 'role': 'assistant'}]