Study the following information carefully and answer the questions given below :

Ten persons - L, M, N, O, P, Q, R, S, T and U - are standing in a straight line facing north, but not necessarily in the same order. Four persons are standing between Q and S. P is standing at one of the extreme ends. L is standing to the immediate right of Q. L is standing second to the left of P. U is standing second to the right of S and second to the left of N. Three persons are standing between R and M. O is not standing at any extreme end of the line. M is far away from O than that of P.