In a certain code language,
A + B means 'A is the mother of B'
A − B means 'A is the father of B'
A X B means 'A is the sister of B'
A / B means 'A is the brother of B'
A > B means 'A is the husband of B'
A * B means 'A is the wife of B'
How is M related to O if M / J − O X T + L?
AFather's father
BFather's brother
CSon
DFather