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: Microbiology
[{'content': 'Features of congenital syphilis are-\na) Snuffles is late manifestation\nb) Perforation in cartilaginous part of nose\nc) Mulberry molar\nd) Saddle nose deformity \nSelect and explain. \nA. abc, B. bcd, C. acd, D. abd', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]