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
Four dentists did study model analysis by Johnson and Tanaka; Moyer's, Stanley and Kerber, Wits analysis. Which one will give the best results: 
Select and explain. 
A. Johnson and Tanaka, B. Moyers, C. Stanley and Kerber, D. Wits
C: Stanley and Kerber
Answer: C: Stanley and Kerber 
Explanation: None