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: Radiology
[{'content': 'Cottage Loaf sign in Chest x-ray is seen in \nSelect and explain. \nA. TGA, B. TAPVC, C. ASD, D. VSD', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Snowman or Figure of 8 or Cottage Loaf sign is seen in\xa0TAPVC.', 'role': 'assistant'}]