This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Binimetinib was approved by FDA recently for \nSelect and explain. \nA. Prostate cancer, B. Melanoma, C. Small pox, D. Chicken pox', 'role': 'user'}, {'content': 'Answer: B \nExplanation: orally available inhibitor for mitogen activated protein kinase MEK 2 specially.', 'role': 'assistant'}]