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': "Anti–TNF alpha drugs are used for the treatment of all of following diseases EXCEPT : \nSelect and explain. \nA. Systemic lupus erythematosis, B. Seronegative arthritis, C. Psoriatic arthritis, D. Crohn's disease", 'role': 'user'}, {'content': "Answer: A \nExplanation: There is already under-expression of TNF-α in SLE, therefore we cannot use anti-TNF drugs for this condition. It is further strengthened by the fact that anti-TNF alpha drugs like infliximab cause SLE as the adverse effect.\nIndications for TNF-α inhibitors\n\nRheumatoid arthritis\nJuvenile arthritis\nPsoriatic arthritis\nPsoriasis\nAnkylosing spondylitis\nCrohn's disease", 'role': 'assistant'}]