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': 'Worst prognosis in Melanoma is seen in the subtype? \nSelect and explain. \nA. Superficial spreading, B. Nodular Melanoma, C. Lentigo Maligna Melanoma, D. Amelanotic Melanoma', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Amelanotic Melanoma", 'role': 'assistant'}]