In a circular seating arrangement, A is sitting to the immediate right of B, who is sitting to the immediate left of C. If D is sitting opposite A, who is sitting to the immediate left of D?
Five friends, P, Q, R, S, and T, are sitting in a row. R is sitting to the left of S but not next to P. Q is sitting at one of the ends. Who is sitting in the middle?
Four friends, A, B, C, and D, are sitting in a row. A is not at either end. B is sitting next to C. D is at one of the ends. Who is sitting in the middle?