In a mixed number coding system, if the code for 'CAT' is represented by the numbers 3, 1, and 20, and the code for 'DOG' is represented by 4, 15, and 7, what is the code for 'GOD'?
In a family of six members A, B, C, D, E, and F, A is the father of B. C is the mother of B. D is the brother of B. E is the sister of B. F is the grandmother of A. How is D related to E?