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': 'Lower segment caesarean section can be carried out under all of the following techniques of anaesthesia except \nSelect and explain. \nA. General anaesthesia, B. Spinal anaesthesia, C. Caudal anaesthesia, D. Combined spinal epidural anaesthesia.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Caudal anaesthesia is used only for perineal surgeries.', 'role': 'assistant'}]