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': 'The first generation and second generation flowable composites are intended to be used for \nSelect and explain. \nA. Class V and Class II restorations, respectively, B. Pit-and-fissure sealants and small anterior restorations, respectively, C. Class I and class II restorations, respectively, D. Pit-and-fissure sealants and Class I restorations, respectively', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]