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': 'A thorough visual and tactile examination of hard and soft tissue relies on checking the three Cs, which does not include: \nSelect and explain. \nA. Colour, B. Cell, C. Consistency, D. Contour', 'role': 'user'}, {'content': 'Answer: B \nExplanation: A thorough visual and tactile ex-amination of hard and soft tissue relies on checking the "three Cs": color, contour, and consistency', 'role': 'assistant'}]