A - B means ‘A is the mother of B’
A * B means ‘A is the sister of B’
A % B means ‘A is the husband of B’
A $ B means ‘A is the son of B’
If P - Q - R * S $ T, then how is P related to T?

A

Mother

B

Mother-in-law

C

Sister

D

Sister-in-law