This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
[{'content': 'Urethritis in males is not caused by \nSelect and explain. \nA. H ducreyi, B. Trichomonas, C. Chlamydia, D. Gonococcus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: H Ducreyi course soft sore chancroid Infections cuase urethritis Neisseria gonorrhea chlamydia trachsmati&;s Trichsmonas Vaginalis Mycoplasma genitalium ref : ananthanaryana', 'role': 'assistant'}]