Seven friends, Q, R, S, T, W, X and Y, are sitting around a circular table facing the centre of the table. T sits third to the left of S. Only one person sits between S and Q when counted from the left of Q. Only two people sit between X and W when counted from the right of W. R is an immediate neighbour of X. How many people sit between Y and T when counted from the right of Y?
ATwo
BFour
COne
DThree