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: Pediatrics
[{'content': 'Which one of the following is a cyanotic congenital hea disease? \nSelect and explain. \nA. Patent ductus aeriosus, B. Atrial septal defect, C. Ventricular septal defect, D. Tetralogy of Fallot', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Tetralogy of Fallot", 'role': 'assistant'}]