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 malocclusion will not lead to straining of Lips? 
Select and explain. 
A. Class - II Div. 1, B. Class-II Div. 2, C. Bimaxillary protrusion, D. None
B: Class-II Div. 2
Answer: B: Class-II Div. 2 
Explanation: None