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
Classify the following according to Kennedy's classification 
Select and explain. 
A. Class III maxillary arch, B. Class III mandibular arch, C. Class II mandibular arch, D. Class IV mandibular arch
B: Class III mandibular arch
Answer: B: Class III mandibular arch 
Explanation: None