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: Unknown
[{'content': '20-year-old male Lalu develops multiple ulcers over prepuce and glans which are painful along with suppurative lymphadenopathy, 2 weeks after having sexual intercourse with a sex worker, most probable diseases is - \nSelect and explain. \nA. Herpes simplex, B. Molluscum contagiousm, C. Syphilis, D. Chancroid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans-D.', 'role': 'assistant'}]