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
COPRA came into existence on: 
Select and explain. 
A. 15th April, 1986, B. 15th April, 1987, C. 15th April, 1988, D. 15th April, 1989
A: 15th April, 1986
Answer: A: 15th April, 1986 
Explanation: None