This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hernia, Subject name: Surgery
[{'content': 'The best view to visualized minimal pneumo-peritoneum: \nSelect and explain. \nA. AP view abdomen, B. Erect view abdomen, C. Right lateral decubitus with horizontal beam, D. Left lateral decubitus with horizontal beam', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Erect view Abdomen.* The best view is X ray Abdomen Erect view to look for Perforation (detects 1mlair)* If patient cannot stand left lateral decubitus with horizontal beam is used (detects 10mlair air)', 'role': 'assistant'}]