input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 61-year-old man comes to the emergency department because of a 2-day history of a productive cough and worsening shortness of breath. He has had frequent episodes of a productive cough over the past 3 years. He had smoked 2 packs of cigarettes daily for 30 years but quit 1 year ago. He appears distressed. Pulse oximetry on room air shows an oxygen saturation of 91%. Chest auscultation reveals diffuse wheezes and coarse crackles. A chest x-ray shows increased lung lucency bilaterally and flattening of the diaphragm. Which of the following is the most appropriate initial pharmacotherapy?   (A) Prednisone and albuterol   (B) Albuterol and montelukast   (C) Prednisone and tiotropium   (D) Albuterol and theophylline
output: ['(A) Prednisone and albuterol <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Prednisone and albuterol  (B) Albuterol and montelukast  (C) Prednisone and tiotropium  (D) Albuterol and theophylline <> possible answers', '  A 61-year-old man comes to the emergency department because of a 2-day history of a productive cough and worsening shortness of breath. He has had frequent episodes of a productive cough over the past 3 years. He had smoked 2 packs of cigarettes daily for 30 years but quit 1 year ago. He appears distressed. Pulse oximetry on room air shows an oxygen saturation of 91%. Chest auscultation reveals diffuse wheezes and coarse crackles. A chest x-ray shows increased lung lucency bilaterally and flattening of the diaphragm. Which of the following is the most appropriate initial pharmacotherapy? <> context']