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: Skin
[{'content': 'In secondary syphilis all are seen except: \nSelect and explain. \nA. Condyloma lata, B. Interstitial keratitis, C. Ahritis, D. Proteinuria', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Interstitial Keratitis', 'role': 'assistant'}]