This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Ivacaftor was approved by FDA in 2018 for \nSelect and explain. \nA. Cystic fibrosis, B. Migraine, C. Hypeension, D. Glycogen storage disorders', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ivacaftor is used for treating cystic fibrosis', 'role': 'assistant'}]