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: Medicine
[{'content': 'Anti-inflammatory action of airways -a) Fluticasoneb) Ipratropium bromidec) Budesonide d) Terbutaline \nSelect and explain. \nA. ac, B. bc, C. ad, D. b', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]