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
Complete denture patients have a preference for which region when the consistency of food is tough 
Select and explain. 
A. 2nd molar region, B. Premolar region, C. 1st molar region, D. Premolar and molar region
B: Premolar region
Answer: B: Premolar region 
Explanation: None