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': "Certolizumab is used in the treatment of : \nSelect and explain. \nA. Multiple Sclerosis, B. Colorectal Carcinoma, C. Crohn's disease, D. SLF2", 'role': 'user'}, {'content': "Answer: C \nExplanation: Certolizumab is a monoclonal antibody against TNFα used for Crohn's disease.", 'role': 'assistant'}]