‘Q + R’ means ‘Q is the husband of R’,
‘Q – R’ means ‘Q is the father of R’,
‘Q * R’ means ‘Q is the mother of R’, and
‘Q @ R’ means ‘Q is the daughter of R’.
If M + V @ P – U, how is M related to U?
1
Father’s brother
2
Sister’s husband
3
Father
4
Brother