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': 'Word substitute used for alginate is: \nSelect and explain. \nA. Tooth paint, B. Statue, C. Pudding, D. Cavity fighter', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Euphemisms', 'role': 'assistant'}]