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': 'Inflammation in the airways can be reduced by : \na) Fluticasone\nb) Budesonide\nc) Theophylline\nd) Salbutamol\ne) Ipratropium \nSelect and explain. \nA. ab, B. bc, C. ac, D. ad', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Steroids are anti-inflammatory drugs used in asthma.', 'role': 'assistant'}]