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
In classifying a malocclusion (Class I, II, & III), the premature Loss of a primary molar adjuvant observation to reinforce initial evaluation is by 
Select and explain. 
A. Molar relation, B. Canine relation, C. incisor relation, D. Midline relation
B: Canine relation
Answer: B: Canine relation 
Explanation: None