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: Medicine
[{'content': 'Coeur en Sabot (Boot shaped heart) is typical of: \nSelect and explain. \nA. Atrial septal defect, B. Total anomalous pulmonary venous connection, C. Fallot’s tetralogy, D. Ebstein’s anomaly', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Coeur en Sabot or Boot-shaped heart is typical of Tetralogy of Fallot.\nSnowman sign on chest X-ray is seen in TAPVC (Total anomalous Pulmonary Venous connection).\nEchocardiography is diagnostic and demonstrates that the aorta is not continuous with the anterior ventricular septum. The ECG shows right ventricular hypertrophy and the chest X-ray shows an abnormally small pulmonary artery and a ‘boot-shaped’ heart.', 'role': 'assistant'}]