Five friends, P, Q, R, S, and T, are sitting in a row. P is to the left of Q but to the right of R. S is sitting at one of the ends. T is not at the ends. Who is sitting in the middle?
Five friends are sitting in a circle. A is to the immediate left of B and to the immediate right of C. D is sitting opposite A. Who is sitting next to D?
A, B, C, D, and E are seated in a row. A is at one end, and B is sitting next to A. C is sitting to the right of B, and D is sitting to the left of E. Who is sitting at the other end?