In a certain code language,
'A + B' means 'A is the mother of B',
'A - B' means 'A is the brother of B',
'A ÷ B' means 'A is the father of B',
'A × B' means 'A is the wife of B'.
Based on this information, how is P related to T if 'P + Q ÷ R - S × T'?
1
Wife's mother's sister
2
Wife's mother
3
Wife's father's mother
4
Father's mother