Four of the five among the following are similar in such a way to form a group, which one of following doesn’t belong to the group? 

Study the following information carefully and answer the below questions. There are certain numbers of boxes which are placed in three stacks – stack 1, stack 2 and stack 3 from West to East. At least two boxes are placed in each stack. Each stack has seven shelves in such a way that the lowermost shelf is numbered 1, the shelf immediately above lowermost shelf is numbered 2 and so on... No two boxes are placed in the same stack in same shelf. Five shelves are between box Q and box U but not placed in the same stack. Box T and U are not placed in same stack. Box T is placed in stack 1. Box P is placed south east of box V and west of box W. Box V is not placed at top most position. Box X is placed two places above box W in same stack. Box Q is in north east direction of Box R. Two shelves are placed between S and P. Box S is placed east of box U. Box T is placed at even number position. More than Two known boxes are placed in left most stack. Box R is placed three shelves above box T.