In a coding system, 'TREE' is coded as 20, 18, 5, 5 and 'LEAF' is coded as 12, 5, 1, 6. What is the code for 'BUSH'?

Answer: A. 2, 21, 19, 8
The code for 'BUSH' is derived similarly to 'TREE' and 'LEAF', maintaining the same coding structure.