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': 'Most common cause of non-gonococcal urethritis - \nSelect and explain. \nA. Mycoplasma hominis, B. Mycoplasma genitalium, C. Ureoplasma urealyticum, D. Chlamydia trachomatis', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Chlamydia trachomatis urethritisGonococcal Nongonococcal Neisseria gonorrhea Chlamydia Trachomatis (most common) Ureoplasmaurealyticum Mycoplasmagenitalium Bacterioides Haemophilus species Candida albicans T.vaginalis", 'role': 'assistant'}]