input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 61-year-old Caucasian male presents to your office with chest pain. He states that he is worried about his heart, as his father died at age 62 from a heart attack. He reports that his chest pain worsens with large meals and spicy foods and improves with calcium carbonate. He denies dyspnea on exertion and an ECG is normal. What is the most likely cause of this patient's pain?   (A) Partially occluded coronary artery   (B) Umbilical hernia   (C) Gastroesophageal junction incompetence   (D) Intestinal metaplasia at the gastroesophageal junction
output: ['(C) Gastroesophageal junction incompetence <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Partially occluded coronary artery  (B) Umbilical hernia  (C) Gastroesophageal junction incompetence  (D) Intestinal metaplasia at the gastroesophageal junction <> possible answers', "  A 61-year-old Caucasian male presents to your office with chest pain. He states that he is worried about his heart, as his father died at age 62 from a heart attack. He reports that his chest pain worsens with large meals and spicy foods and improves with calcium carbonate. He denies dyspnea on exertion and an ECG is normal. What is the most likely cause of this patient's pain? <> context"]