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. How many people sit between Q and V?

A

2

B

1

C

3

D

4