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': 'Insulin secretion is/are increased by all except: \nSelect and explain. \nA. Secretin, B. VIP, C. GIP, D. CCK', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. VIP', 'role': 'assistant'}]