12.
Eight people in two rows of 4 each.
Row 1: L,M,N,O facing south.
Row 2: P,Q,R,S facing north. M sits 3rd to right of N.
The one facing Q is immediate neighbour of N. The one facing O is immediate neighbour of Q. The one facing M is immediate neighbour of R. S sits to left of P. Who faces R?