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 class 2 inlay preparation, How should the pulpal floor be placed in comparison with pulpal floor in amalgam class 2 preparation? 
Select and explain. 
A. Deeper, B. Pulpal floor for amalgam should be placed deeper in dentin, C. Same as Amalgam, D. None of the above
B: Pulpal floor for amalgam should be placed deeper in dentin
Answer: B: Pulpal floor for amalgam should be placed deeper in dentin 
Explanation: None