'A + B' means 'A is the brother of B'.
'A - B' means 'A is the father of B'.
'A × B' means 'A is the sister of B'.
'A ÷ B' means 'A is the mother of B'.
If P + M ÷ S × R - T × Q, then which of the following statements is NOT correct?
1
M is T's father's mother.
2
T is S's brother's son.
3
P is R's mother's brother.
4
R is Q's father.