'P @ Q' means 'P is the wife of Q'.
'P # Q' means 'P is the brother of Q'.
'P $ Q' means 'P is the father of Q'.
'P - Q' means 'P is the daughter of Q'.
If Z - B $ D $ G, then how is Z related to G?
1
Z is the mother of G
2
Z is the sister of G
3
Z is the father's sister of G
4
Z is the daughter of G