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
In the intercuspal position, the lingual cusp of
maxillary 2nd premolar contacts the: 
Select and explain. 
A. Distal fossa of mandibular 2nd premolar, B. Mesial fossa of mandibular 1st molar, C. Distal marginal ridge of mandibular 2nd molar, D. Distal marginal ridge of mandibular 1st premolar
A: Distal fossa of mandibular 2nd premolar
Answer: A: Distal fossa of mandibular 2nd premolar 
Explanation: None