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 scale to measure pain in children of 5 years age would be – \nSelect and explain. \nA. VAS, B. Mc Gill scale, C. Faces scale, D. CHEOPS', 'role': 'user'}, {'content': 'Answer: D \nExplanation: For children (1-7 years) CHEOPS scale is used.', 'role': 'assistant'}]