input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A chronic alcoholic patient came to emergency with severe pain in epigastrium and multiple episodes of vomiting. On examination, guarding was present in upper epigastrium. Chest X-ray was normal. What is the next best step?   (A) Upper GI endoscopy   (B) Serum lipase   (C) Alcohol breath test   (D) CECT
output: ['(B) Serum lipase <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Upper GI endoscopy  (B) Serum lipase  (C) Alcohol breath test  (D) CECT <> possible answers', '  A chronic alcoholic patient came to emergency with severe pain in epigastrium and multiple episodes of vomiting. On examination, guarding was present in upper epigastrium. Chest X-ray was normal. What is the next best step? <> context']