In a certain code language, 'A + B' means 'A is the daughter of B', 'A - B' means 'A is the brother of B', 'A x B' means 'A is the wife of B', and 'A ÷ B' means 'A is the father of B'. How is M related to Q if 'M × N ÷ O - P ÷ Q'?

In a certain code language: 'A + B' means 'A is the son of B', 'A - B' means 'A is the brother of B', 'A × B' means 'A is the sister of B', and 'A ÷ B' means 'A is the father of B'. How is M related to K if the expression is 'M - N ÷ L + J × K'?

In a certain code language, A % B means 'A is the sister of B', A − B means 'A is the brother of B', A # B means 'A is the wife of B', and A @ B means 'A is the father of B'. How is C related to M if 'C − D # E @ F % M'?