There are seven row houses M, N, O, P, Q, R and S in a campus but not necessarily in
the same sequence. P is not at any of the ends. R is to the immediate right of P. S is
third from the left. O is at the left end. M is second from the right. O is not beside
N.Where is N located?

A

Third from right

B

At the right end

C

Second from left

D

Fourth from right