This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Radiology
[{'content': 'Flask shaped hea is seen in - \nSelect and explain. \nA. Ebstein anomaly, B. Pericardial effusion, C. TOF, D. TAPVC', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Flask shaped hea / Pear shaped / Money shaped hea is seen in Pericardial effusion. Boot shaped / Coer-en-sabot hea is seen in TOF. Snowman hea / Figure of 8 appearance is seen in TAPVC. Pulmonary oligemia is an xray finding of Ebsteins anamoly.', 'role': 'assistant'}]