This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cyanotic Congenital Heart Disease, Subject name: Pediatrics
[{'content': "Which of the following is most common type of congential cardiac cyanotic anamoly? \nSelect and explain. \nA. Tetralogy of Fallot, B. TAPVC, C. Transposition of great vessels, D. Ebstein's Anamoly", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Tetralogy of Fallot o TOF is the commonest cyanotic congenital heart disease.", 'role': 'assistant'}]