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': 'The following anti T.B. drug should not be given to AIDS patient- \nSelect and explain. \nA. The following anti T.B. drug should not be given to AIDS patient-, B. Ethambutol, C. Streptomycin, D. Pyrazinamide', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Rifampicin", 'role': 'assistant'}]