If X + Y means X is the daughter of Y; X - Y means X is the brother of Y; X % Y means X is the father of Y and X x Y means X is the sister of Y. Which of the following means I is the niece of J?
Answer: D
I x C → I is the sister of C
C + N → C is the daughter of N
and N - J → N is the brother of I.
Hence, I is niece of J.