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': 'Composite resins in comparison to acrylic have: \nSelect and explain. \nA. Low compressive strength, B. High abrasive resistance, C. High water absorption, D. High polymerization shrinkage', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]