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: Dental
[{'content': 'Chancre Redux is a feature of \nSelect and explain. \nA. Early replasing syphilis, B. Late syphilis, C. Recurrent herpes simplex, D. Chancroid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Chancre redux is seen in early relapsing syphilis.It is a recurrence of the primary chancre at its original site. Chancre redux is an unusual form of relapsing syphilis in which a primary chancre appears at or near the site of the orig- inal infection. It develops in cases of untreated or inadequately treated primary syphilis. Multiple chancres are common Ref Harrison 20th edition pg 1290.', 'role': 'assistant'}]