Eight people X, W, Z, F, T, L, P and S are sitting in a straight line facing north and south directions. X is sitting second to the right of T and W. T is sitting third to the right of F. S is sitting fourth to the left of X. Second and fourth persons are facing south from the left end. F is sitting fourth to the left of L who is second from the left. Z is not facing towards south but sitting fourth to the left of P who is third to the right of S who is facing north. W is not a neighbour of L. If T changes his or her position with F, who would be sitting fourth to right of F?