Direction: Read the information carefully and answer the question given below.

There are 7 family members P, Q, R, S, T, U and V. There are 2 married couples, one of them is P and U. P is the mother of S and S is sister of Q. V is the father of R and brother - in - law of T. T is the uncle of R. R is the only granddaughter. S is a sister of V and she was not married.

How is S related to R?