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': 'MEN I syndrome is most commonly associated with: \nSelect and explain. \nA. Gastrinoma, B. Insulinoma, C. Glucucagonoma, D. Somatistatinoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Gastrinoma): Amongst the options provided Gastrinomas are the most common association with MEN-I', 'role': 'assistant'}]