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': 'Figure of 8 in chest X-ray - \nSelect and explain. \nA. Supracardiac TAPVC, B. Tetralogy of fallot, C. TGA, D. None of above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Supracardiac TAPVC o Tertralogy of fallot- boot shaped hearto Transposition of great vessel- egg on sideo TPVC (supracardioe) - snownan or figure of 8 configuration", 'role': 'assistant'}]