Seven people, P, Q, R, S, T, U and V are sitting in a straight row, facing the north. Only two people sit to the right of U. Only two people sit to the left of R. Only two people sit between U and Q. Only three people sit between R and V. T is not an immediate neighbour of U. S sits to the right of U. Who sits at the extreme right?

A

Q

B

S

C

V

D

P