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': 'Minimum flow of Type-I impression compound at mouth temperature is: \nSelect and explain. \nA. 4%, B. 6%, C. 8%, D. 10%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]