Given that, 1. A is the brother of B. 2. C is the father of A. 3. D is the brother of E. 4. E is the daughter of B. Then, the uncle of D is
If M % N means M is the father of N; M & N means M is the mother of N; M $ N means M is the brother of N; and M ~ N means M is the sister of N, which of the following shows that A is the maternal uncle of B?