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': 'All of the following are true about Rifabutin except: \nSelect and explain. \nA. It has longer half life than Rifampicin, B. It is more effective for newly diagnosed TB as compared to Rifampicin, C. It has lesser incidence of drug interactions as compared to Rifampicin, D. It is more effective against MAC as compared to Rifampicin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rifampicin is more effective in M.Tuberculosis.\nRifabutin is more effective in MAC', 'role': 'assistant'}]