Four of the following five are alike in a certain based on their seating positions in the above line and so form a group. Which is the one that does not belong to the group

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Seven friends T,U,V,W,X,Y and Z are sitting in a straight line facing north. W sits fifth to the right of T. W does not sit at any of extreme ends. Two people sit between Z and X, Y sits third to the left of U. Y sits exactly in the middle. Z is not an immediate neighbour of Y.

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J,P,Q,R,S,T,U and V are four married couples sitting in a circle facing the centre. The profession of the males within the group are lecturer, lawyer, doctor and scientist. Among the males, only R (the lawyer) and V (the scientist) are sitting together. Each man is seated besides his wife. U, the wife of the lecturer is seated to the right V. T is seated between U and V. P is the wife of the doctor. Q is not the doctor. S is a male.