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: Dental
[{'content': 'Multiple painful ulcers over glans without in duration is suggestive of – \nSelect and explain. \nA. LGV, B. Granuloma inguinale, C. Chancroid, D. 2° syphilis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Chancre, LGV, Donovanosis Indurated ulcer (firm induration).\nHSV Non-indurated ulcer.\nChancroid\xa0→\xa0Can be both either Non-indurated or soft induration (but there is no firm induration, therefore usually considered as non-indurated).', 'role': 'assistant'}]