Directions: Read the following information carefully and answer the given question based on it.

Eight persons M, N, O, P, Q, R, S and T are standing in such a way that R is 20 m North of O. O is 30 m East of M. M is 15 m West of Q. P is 30 m to the west of R. N is 15 m west of P in such a way that R, P and N are standing in a straight line. T is standing 15 m to the south of N. S is standing 45 m to the East of T.

R is in which direction with respect to S?