A + B means A is the daughter of B ;
A - B means A is the husband of B ;
A x B means A is the brother of B.
E is the son of A.
D is the son of B.
E is married to C.
C is B's daughter.
How is D related to E ?
A man said to a lady, " Your mother's husband's sister is my aunt."
How is the lady related to the man ?