Directions: Read the given information carefully and answer the questions that follow.

Seven friends M, N, O, P, Q, R and S sit in a straight row. Out of seven, some face north and some face south, not necessarily in the same order.

a) P and S are neighbours and neither one of them sit in the end of the row.

b) Except N and P, everyone faces the same direction.

c) M sits in the middle of the row.

d) There are exactly three people between O and Q.

e) N sits second to the right of M.

f) S sits fifth to the left of R.

g) Q, who faces south, doesn’t sit at any of the ends.