This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Pharmacology, Subject name: Pharmacology
[{'content': 'Which of the following is enzyme inducer? \nSelect and explain. \nA. Erythromycin, B. Isoniazid, C. Rifampicin, D. Cimetidine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. RifampicinDugs which act as enzyme inducera. G- Griseofulvinb. P- phenytoinc. R-Rifampicind. S-smokinge. Cell- carbamazepinef. Phone- phenobarbitone.', 'role': 'assistant'}]