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: Medicine
[{'content': 'A 48 year old male presents with non-itchy generalised papulo-nodular lesion of three months duration. Physical examination does not show any other abnormaly.Slit smear from a nodule does not show AFB. Blood VDRL is reactive 1:2 dilution.The most likely diagnosis is- \nSelect and explain. \nA. Drug eruption, B. Lepromatous leprosy, C. Post kala azar dermal leishmaniasis, D. Secondary syphilis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]