Five boys are standing in a row facing South. Jack is standing to the immediate right of Harry. Tom is between Nick and Sam. Sam is between Jack and Tom. Who is standing in the middle?

L, M, N, O, P, and Q are seated around a round table, facing the center. Q sits second to the right of O. L sits second to the left of N. M is adjacent to the immediate left of Q. Who sits adjacent to the immediate right of P?

D, E, F, G, L, M, and N are sitting in a straight line facing north. Only three people sit between L and N. E sits to the immediate left of N. No one sits to the right of F. Only two people sit between F and E. M sits to the immediate right of D. How many people sit between G and M?