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': 'Gene responsible for INH resistance is ? \nSelect and explain. \nA. KAT G, B. rpo B, C. pnc A, D. emb B', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., KAT G", 'role': 'assistant'}]