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 minimum 2-hour setting expansion for type V gypsum is: \nSelect and explain. \nA. 0.15%, B. 0.10%, C. 0.30%, D. 0.25%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]