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: Pathology
[{'content': 'BRAF gene mutation is seen in? \nSelect and explain. \nA. Breast carcinoma, B. Melanoma, C. Osteosarcoma, D. Prostate carcinoma', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Melanoma BRAF mutation is associated with melanoma.", 'role': 'assistant'}]