This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'Treatment of H. pylori is required in all of the following expect ? \nSelect and explain. \nA. Gastro esophageal reflex disease, B. Gastric ulcers, C. Duodenal ulcers, D. Gastric lymphoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]