input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A previously healthy 28-year-old man comes to the emergency department because of dizziness and palpitations for 2 days. Prior to the onset of the symptoms, he attended a bachelor party where he lost several drinking games. An ECG is shown. Which of the following is the most likely diagnosis?   (A) Paroxysmal atrial fibrillation   (B) Brugada syndrome   (C) Ventricular tachycardia   (D) Sick sinus syndrome
output: ['(A) Paroxysmal atrial fibrillation <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Paroxysmal atrial fibrillation  (B) Brugada syndrome  (C) Ventricular tachycardia  (D) Sick sinus syndrome <> possible answers', '  A previously healthy 28-year-old man comes to the emergency department because of dizziness and palpitations for 2 days. Prior to the onset of the symptoms, he attended a bachelor party where he lost several drinking games. An ECG is shown. Which of the following is the most likely diagnosis? <> context']