If A + B means A is the mother of B, A × B means A is the husband of B and A ÷ B means A is the daughter of B. In the expression Y × Q ÷ Z + K, what is the relation between Z and Y?
1
Z is the father-in-law of Y.
2
Z is the father of Y.
3
Z is the mother-in-law of Y.
4
Z is the daughter of Y.