Each of the following questions is based on the following information:
Six flats on a floor in two rows facing North and South are allotted to P, Q, R, S, T and U.
Q gets a North facing flat and is not next to S.
S and U get diagonally opposite flats.
R next to U, gets a south facing flat and T gets North facing flat.
Question
Whose flat is between Q and S?
A. T
B. U
C. R
D. P