3.
Eight people are sitting in two parallel rows containing 4 people each. Row 1: L, M, N, O facing south. Row 2: P, Q, R, S facing north. Only one person sits between N and M. Only one person sits between Q and P. The one facing P sits at the second position from the left. N sits to the immediate left of O and faces S. O does not face P. Which of the following represents both people facing each other?