Seven people I, Y, O, U, R, P, and T are sitting in a straight row, facing north. P sits at the extreme right. Only six people sit to the right of R. Y sits fourth to the left of P. T is the immediate neighbour of R. I sits fourth to the right of R. U and T are the immediate neighbours of Y. O is the immediate neighbour of P. Who sits at the centre of the row?

A

T

B

I

C

U

D

Y