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': 'Which local anaesthetic does not require adrenaline? \nSelect and explain. \nA. Procaine, B. Lignocaine, C. Bupivacaine, D. Cocaine', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Cocaine Cocaine itself has peripheral sympathomimetic action.", 'role': 'assistant'}]