Directions: Study the following information carefully and answer the questions given below:

Ten persons A, B, O, Q, R, S, U, W, Y, and Z live in a five-storey building. The ground floor is numbered 1. Each floor consists of two flats i.e. flat M and flat N. Flat M of floor 2 is exactly above the flat M of floor 1 and exactly below the flat M of floor 3 and so on. Flat M is in the west of flat N.

O lives in flat M. A lives to the South of U. Z lives on an even-numbered floor. S is not in the north of R. One floor is between Q and U. Q lives above the floor on which Y lives but not in the same flat. S lives with W on an odd-numbered floor. Two floors are between S and O. Y lives in the Northwest of the person who lives on the same floor as O, where O and Y lives on the adjacent floor. R lives to the Southwest of Q.