Eight people A, B, C, D, P, Q, R and S are sitting in a straight line having eight seats facing north. D is sitting second to the right of R and P is sitting fourth to the right of D. Q is sitting to the right of B. Number of persons sitting between C and P are same as the number of persons that are sitting between S and B. S is sitting to the immediate left of C who is not an immediate neighbour of P. B is not an immediate neighbour of R.