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': '"Egg on side appearance" is seen in - \nSelect and explain. \nA. Fallot\'s tetralogy, B. Transposition ofgreatvessels, C. Ebstein\'s anomaly, D. Ventricular septal defect', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Transposition of great vessels", 'role': 'assistant'}]