In a certain code language: A + B means 'A is the father of B' A - B means 'B is the husband of A' A x B means 'A is the brother of B' A ÷ B means 'A is the mother of B' Based on the above, how is G related to K if 'G ÷ H x I - J + K'?

If G is the brother of D, and E is married to D, while G is married to a different family line, how is D related to G's wife?

Based on a family relationship structure where D is a female married to E, G is the brother of D, H is married to G's brother A, and B is the sibling of A, which of the following statements is/are incorrect? I) H is the sister-in-law of B. II) G is the uncle of C (where C is the child of A). III) E is married to D.