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
To remove centric interference, reduce: 
Select and explain. 
A. Supporting cusps, B. Central fossa, C. Both of the above, D. None
B: Central fossa
Answer: B: Central fossa 
Explanation: In case of centric interference, supporting cusps should not be reduced as non working and working contacts are compromised.