If the code for 'CAT' is 12, 15, 18 and the code for 'DOG' is 14, 16, 20, what is the code for 'BIRD'?

Answer: A. 10, 12, 14, 16
The code for 'BIRD' follows a similar pattern to 'CAT' and 'DOG', with each letter corresponding to a number that increases by 2.