This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'A person sustains head trauma leading to transection of pituitary stalk. All can be consequence of this, except - \nSelect and explain. \nA. SIADH, B. Diabetes mellitus, C. Diabetes incipidus, D. Hyperprolactinemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: diabetes mellitus is a multi system disorder due to genetic and environmental factors ( Harrison 17 pg 2275)', 'role': 'assistant'}]