Seven doctors, S, T, U, V, X, Y and Z, are sitting around a round table, facing towards the centre, for a case study. Y is sitting third to the right of Z and between S and X. Z is sitting second to the right of U. V is sitting third to the left of X. Two doctors are sitting between Y and V. Based on the given information, which of the following statements is correct?
1
Z is sitting between T and X.
2
S is sitting fourth to the left of T.
3
U is sitting to the immediate right of V.
4
Four doctors are sitting between Y and Z.