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: Surgery
[{'content': 'A mentally retarded child aged 12 years has multiple, painful, discharging shiny white lesions around the anus. Which of the following is the most probable diagnosis - \nSelect and explain. \nA. Lupus vulgaris, B. Carcinoma, C. Syphilitic condyloma, D. Haemorrhoids', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]