This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology metabolism, Subject name: Physiology
[{'content': 'Prolactin is synthesized in - \nSelect and explain. \nA. Pituitary, B. Hypothalamus, C. Pineal gland, D. Thalamus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Pituitary", 'role': 'assistant'}]