Directions: Study the following information to answer the given questions.

Seven persons M, N, O, P, Q, R and S are sitting in a row facing north or south direction. M sits third to the left of Q, who is adjacent to the person, who sits at extreme end. S and R are second to the left of each other and neither is adjacent to Q. N faces north and is not adjacent to Q. O and P face in same direction. O is not sitting at extreme end. Only three persons face south. M faces north.