$$A + B$$ means ‘A is brother of B’
$$A - B$$ means ‘A is daughter of B’
$$A \times B$$ means ‘A is husband of B’
$$A \div B$$ means ‘A is son of B’
If $$J + R \div T \times K - Z$$, then how is K related to J ?

A

Mother

B

Paternal grandmother

C

Maternal grandmother

D

Sister