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': 'Which of the following has lowest filler loading ? \nSelect and explain. \nA. Microfill composite, B. Traditional composite, C. Small particle filled composite, D. Hybrid composite', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Because small particle filled composite has highest filler loading.\nAnd higher filler loading increases the mechanical property of composite.', 'role': 'assistant'}]