If ‘8 × C’ means ‘8 is the daughter of C’,
‘8 + C’ means '8 is the husband of C’ and
‘8 − C’ means ‘8 is the sister of C’, then
what does ‘M + N – P × Q’ mean?
AM is the brother-in-law of Q
BM is the uncle of Q
CM is the son-in-law of Q
DQ is the mother-in-law of M