This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
[{'content': 'Best uterine relaxation is seen with \nSelect and explain. \nA. Chloroform, B. Nitrous oxide, C. Ether, D. Halothane', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Refer Katzung 10/e p 405 Halogentaed inhalational anesthestic agents like Halothane are powerful tocolytic agents Halothane is anaesthetic of choice for internal version and manual removal of placenta', 'role': 'assistant'}]