This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gallbladder, Subject name: Surgery
[{'content': 'Gallstone are associated with which Neuro Endocrine Tumour :- \nSelect and explain. \nA. Insulinoma, B. VIPoma, C. Somastostatinoma, D. Glucagonoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Somatostatinoma syndrome is a triad of diabetes mellitus, diarrhea and gallstones, but also includes weight loss and hypochlorhydria.', 'role': 'assistant'}]