In a coded relation, if A ÷ B means A is the daughter of B, B + C means B is the father of C, and C - D means C is the brother of D, what is the relationship of D to A?
A is married to B. They have two children, C and D. C is a doctor, and D is a lawyer. If B is a teacher, what is A's profession if it is known that one parent is not in a profession related to education or law?