Study the following information and answer the question given below:
'A + B' means 'A is father of B'
'A `div` B' means 'B is brother of A'
'`A xx B`' means 'A is husband of B'
'A-B' means 'A is sister of B'
In the expression `Q + R-S+T -:M`, how is T related to R?

Options

A. niece
B. Nephew
C. son
D. can't be dertermined

Answer

D

Explanation