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: Pharmacology
[{'content': 'Secukinumab is used in : \nSelect and explain. \nA. Rheumatoid arthritis, B. Psoriasis, C. Colorectal carcinoma, D. Breast cancer', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Secukinumab is a monoclonal antibody against IL - 17 used in the treatment of Psoriasis.', 'role': 'assistant'}]