Read the following statements and answer the following question.
M2N means M is the husband of N
M4N means M is the wife of N
M6N means M is the sister of N
M8N means M is the brother of N In the equation P 2 Q 6 R 6 S, how is P's daughter related to S?
1
Aunt
2
Niece
3
Cousin
4
Sister