In a coding system, 'FISH' is represented as '614891'. If 'F' is 6, 'I' is 9, 'S' is 19, and 'H' is 8, what is the code for 'BIRD' where 'B' is 2, 'I' is 9, 'R' is 18, and 'D' is 4?
Answer: A. 29184
The code for 'BIRD' is formed by concatenating the values of B, I, R, and D: 2, 9, 18, and 4, resulting in '29184'.