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': "One of the following rules explains about the grinding of certain cusps to produce balance in lateral movements: \nSelect and explain. \nA. Ante's rule, B. Bull rule, C. Wolfs rule, D. Cieszynski's rule", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]