A-W, B-X, C-Y and D-Z are four married couples. In a restaurant they are sitting around a rectangular table, with three persons along each of the longer sides of the table and one person along each of the shorter sides. All the male persons (A, B, C and

• D are sitting along the longer sides and no the male persons are sitting together. X is sitting to the right of C. W and Z are sitting at the longer sides and neither of them is sitting adjacent to their respective husbands. Y is sitting to the right of A. Which pair of people are sitting at the shorter sides of table?