This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Lupus Erythematous, Subject name: Medicine
[{'content': 'Which of the following drugs can cause lupus due to low N-acetyl transferase activity in the blood? \nSelect and explain. \nA. Propranolol, B. Hydralazine, C. Digoxin, D. Captopril', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Drug induced lupus S- Sulpha drug, Simvastatin H- Hydralazine I - INH P- Procainamide', 'role': 'assistant'}]