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
A patient suffers from contraction of maxillary arch, labioversion of maxillary incisors, with deep overbite and overjet. These are features of: 
Select and explain. 
A. Class I malocclusion, B. Class II div 2 malocclusion, C. Class II div 1 malocclusion, D. Class III malocclusion
C: Class II div 1 malocclusion
Answer: C: Class II div 1 malocclusion 
Explanation: Class II: Dental relationship, in which the mandibular dental arch is posterior to the maxillary dental arch in one or both lateral segments as determined by the relationship of the permanent first molars. Mandibular 1st molar is distal to the maxillary 1st molar.
Further subdivided into 2 divisions:
Division 1:  Bilateral distal retrusion with a narrow maxillary arch and protruding maxillary incisors, increased overjet.
Division 2 : Bilateral distal retrusion with a normal or square-shaped maxillary arch, retruded maxillary central incisors, labially malposed maxillary lateral incisors, an excessive overbite (deep bite).
Ref: Textbook of orthodontics 2nd ed Gurkeerat Singh page no 55