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': 'Practices that have been repeated by a number of generation, practices that tend to be followed simply because they have been followed in the past. This refers to - \nSelect and explain. \nA. Habits, B. Beliefs, C. Customs, D. Convention', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]