Four of the following five are alike in a certain way and hence form a group. Find the one who doesn’t belong to that group?

Study the following information carefully and answer the questions given below. Eight persons J, K, L, M, N, O, P and Q are sitting in straight line. Some of them are facing north while some of the facing south but not necessarily in the same order. P sits at one of the extreme ends of the line. Only three persons sit between O and P. J sits second to the right of O. Both L and K are facing the same direction. M faces north. N sits to the immediate right of P. L sits third to the right of K. Both O and N face the same direction as J. Only three persons sit between M and Q. O sits to the immediate left of
M. Q is not facing the same direction as P. Both the immediate neighbors of M face opposite directions.