Refer the Following information to answer these questions:

Six items — U, V, W, X, Y and Z are being separated into 3 Groups — Group 1, Group 2 and Group3, according to the following conditions:
(i) The number of items in Group 1 is less than or equal to the number of items in Group 2.
(ii) The number of items in Group2 is less than or equal to the number of items in Group 3.
(iii) Vand W cannot be in the same group.
(iv) X can be in Group 3 onlyif Y is in Group 3.