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: Dental
[{'content': 'The term "chroma aspect" in selection of artificial teeth refers to \nSelect and explain. \nA. Degree of saturation of hue, B. Intensity of value, C. Both value and hue, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]