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: Physiology
[{'content': 'When pH of stomach lumen falls below 4, antrum of the stomach releases a peptide that acts locally to inhibit gastrim release. This peptide is \nSelect and explain. \nA. Intrinsic factor, B. Secretin, C. Somatostatin, D. Gastrin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Somatostatin and Prostaglandins inhibits gastrin release.', 'role': 'assistant'}]