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 Anti - TB drug can not be used along with Rifampicin \nSelect and explain. \nA. Thioacetazone, B. Bedaquiline, C. PAS, D. Ethionamide', 'role': 'user'}, {'content': 'Answer: C \nExplanation: PAS decreases absorption of Rifampicin and hence can to be used with Refampicin.', 'role': 'assistant'}]