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': "Plethoric lung field is seen in which CHD - \nSelect and explain. \nA. Ebstein's anomaly, B. Tricuspid atresia, C. AS, D. VSD", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., VSD", 'role': 'assistant'}]