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: Anaesthesia
[{'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: Ans. 'd' i.e., Halothane Halogenated inhalational anaesthetic agents like halothane are powerful tocolytic agents. Halothane is anaesthetic of choice for internal version and manual removal of placenta.", 'role': 'assistant'}]