If P is sitting second to the left of S and Q is sitting third to the right of R. T sits immediate right of S, Q is not on immediate right or left of S. Who is sitting on the immediate right of R?

According to question,
If P is sitting second to the left of S and Q is sitting third to the right of R. T sits immediate right of S, Q is not on immediate right or left of S.
It is clear that , S is sitting to the immediate right of R.
Sitting arrangement :-