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: Physiology
[{'content': 'A 50-year-old man came with the complaint of a headache and raised intracranial tension. Radiological examination revealed a brain tumor compressing Supraoptic nucleus in the hypothalamus. Which of the following hormone is decreased? \nSelect and explain. \nA. Adrenocoicotropic hormone (ACTH), B. Follicle-stimulating hormone (FSH), C. Growth hormone, D. Antidiuretic Hormone', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ADH is formed primarily in the supraoptic nuclei, whereas oxytocin is formed primarily in the paraventricular nuclei whereas other hormones are from the anterior pituitary.', 'role': 'assistant'}]