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': 'Inverse agonist of benzodiazepine receptor is - \nSelect and explain. \nA. Phenobarbitone, B. Flumazenil, C. Beta carboline, D. Gabapentin', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is `c' i.e., Beta carboline", 'role': 'assistant'}]