Study the following information carefully and answer the questions given below:
Eight boxes —A, B, C, D,P, Q, R and S—are kept one above the other in a stack. Only five boxes are kept between box A and box P. Box B is kept below box R Only one box is kept between box B and box R. Box R is kept at one of the positions above box P. Only three boxes are kept between box R and box D. Only two boxes are Kept between box D and box S. Box C is kept at one of the positions above-box Q.
Four of the following five are alike in a certain way based on their positions in the given arrangement and thus they form a group. Identify the .one which does not belong to the group.

Options

A. S-C
B. C-P
C. P-S
D. A-C

Answer

B