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': 'Radiofrequency ablation is done for : \nSelect and explain. \nA. Ventricular tachycardia, B. PSVT, C. WPW, D. Atrial tachycardia', 'role': 'user'}, {'content': "Answer: C \nExplanation: Answer is C (WPW) `Ablation of bypass tract offers a permanent cure of supraventricular tachycardias. The advent of radiofrequency catheter ablation has viually eliminated the need for surgery.'", 'role': 'assistant'}]