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: Physiology
[{'content': '‘Thirst center’ that controls the ingestion of water is located in: \nSelect and explain. \nA. Hypothalamus., B. Medulla oblongata, C. Gastric mucosa., D. None of the above.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]