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
Delphi method when adapted to face to face meeting is referred as: 
Select and explain. 
A. Adapted Delphi method, B. Mini-Delphi method, C. ETE method, D. Both 2 and 3
D: Both 2 and 3
Answer: D: Both 2 and 3 
Explanation: Mini-Delphi or Estimated-Talk-Estimate (ETE): The delphi technique when adapted for use in face-to-face meeting is called as mini-delphi.