4.
Eight people are sitting in two parallel rows containing 4 people each in such a way that there is equal distance between adjacent persons. In row 1, P, E, S and T are seated and all of them are facing south. In row 2, M, O, L and D are seated and all of them are facing north. Thus, each person faces another person from the other row. O faces the one sitting to the immediate right of P. Only one person sits between O and D. Only two people sit between L and D. D faces the one sitting second to the left of T. E sits at some place to the right of S. Which of the following represents both people sitting at extreme ends of the rows?