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': 'Xylitol affects the MS stains by: \nSelect and explain. \nA. Reduced adhesion are seen., B. Less virulence properties are seen., C. Less acid production are seen., D. Anyone of the above.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]