This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach & Duodenum, Subject name: Surgery
[{'content': "PPI's for peptic ulcer disease should be taken: \nSelect and explain. \nA. Before breakfast, B. After breakfast, C. After lunch, D. After dinner", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Before breakfastRef: Sabiston 19th Edition, Page 1194* PPI need acid environment to become activated. Hence given in empty stomach preferably before breakfast.* Antacids and H2 blockers must not be used with PPI.', 'role': 'assistant'}]