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': 'First acceptable nomenclature for and classification of hand instruments was given by: \nSelect and explain. \nA. G. V. Black, B. Marzouk, C. Sturdevant, D. Both 1 and 2', 'role': 'user'}, {'content': "Answer: A \nExplanation: G.V. Black among his many contributions to modern dentistry, is credited with the first acceptable nomenclature for and classification of hand instruments. His classification system enabled both dentists and manufacturers to communicate more clearly and effectively in regard to instrument design and function.\nRef: Sturdevant's art and science of operative dentistry. 4th edition page 309", 'role': 'assistant'}]