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': 'What should be the gelation temperature of agar? \nSelect and explain. \nA. 70-100 degrees centigrade, B. 37-45 degrees centigrade, C. 50-60 degrees centigrade, D. 30-40 degrees centigrade', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Liquefaction temperature\xa0→ 70-100o\xa0C\nGelation temperature → 37-45o\xa0C, just above oral cavity temperature.', 'role': 'assistant'}]