Six flats on a floor in two rows facing North and South are allotted to P, Q, R, S, T and U.
(B) Q gets a North facing flat and is not next to S.
(C) S and U get diagonally opposite flats.
(D) R, next to U, gets a South facing flat and T gets a North facing flat
The flats of which of the other pairs than SU, are diagonally opposite to each other?