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
Which of the following classification uses the "canine law" malocclusion in a sagittal direction 
Select and explain. 
A. Bonnet's classification, B. Simon classification, C. Dewey classification, D. Lischer's classification
B: Simon classification
Answer: B: Simon classification 
Explanation: None