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': 'Cutaneous (skin) Tuberculosis secondary to underlying tissue eg lymph node is called as \nSelect and explain. \nA. Lupus Vulgaris, B. Scrofuloderma, C. Spina Ventosa, D. Tuberculous Verrucosa Cutis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Scrofuloderma', 'role': 'assistant'}]