This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
[{'content': 'In the treatment of hydatid cyst, PAIR is contraindicated in \nSelect and explain. \nA. Lung cyst, B. Size >5 cm, C. Not amenable to treatment with albendazole, D. Multiple', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Contraindication to PAIR Inaccessible location Pulmonary hydatid cyst Complicated cyst( communicating with biliary tract)', 'role': 'assistant'}]