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: Pediatrics
[{'content': "Which of the following is the most common type of congenital cardiac cyanotic anomaly? \nSelect and explain. \nA. Tetralogy of Fallot, B. TAPVC, C. Transposition of great vessels, D. Ebstein's anamoly", 'role': 'user'}, {'content': "Answer: A \nExplanation: TOF is the commonest cyanotic congenital hea disease(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 2213 - 2214)", 'role': 'assistant'}]