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': 'A man having multiple, painful, indurated, undermined, sloughed edged glans which occurred 5 days after exposures; most likely diagnosis is – \nSelect and explain. \nA. Chancroid, B. Primary chancre, C. Herpes genitalis, D. LGV', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Step 1\n\nPainful ulcer → Chancroid or HSV.\n\nStep 2\n\nIn the question, there is no information about step 2 → suppurative lymphadenopathy, U/L or B/L lymphadenopathy, presence or absence of vesicle.\nSo go for step - 3.\n\nStep 3\n\nInduration (+)nt\xa0→\xa0Chancroid\nUndermined sloughed edges\xa0→ Chancroid', 'role': 'assistant'}]