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': 'Which of the following anti TB drugs can be safely given in a patient with renal failure ? \nSelect and explain. \nA. INH, B. Rifampicin, C. Streptomycin, D. Kanamycin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]