If '?' represents multiplication, '†' represents addition, '‡' represents subtraction, and '§' represents division, what is the value of 12 § 4 ? 3 † 5?
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 and D. E is the sister of B. F is the brother of D. How is E related to F?