What is the position of Z with respect to her sister?

Y is sitting second to the left of W’s daughter. Only one person is sitting between Y and T, T is father of Z. Y is the sister or Z, S’s husband is not an immediate neighbor of Y. S’s husband is sitting second to the right of U. No female sits to the immediate side of U. Case-2 S’s mother is sitting to the immediate right of W, who is S’s brother similarly, there is only one person sitting between X and S’s mother Case 2 rejected as there is no place for X. Only one person site between S and Z, X is not an immediate neighbor of Z, who is the mother of V. Final arrangement