Six friends K, L, M, N, O and P are sitting in two rows; both the rows are facing north. Four friends are in the first row, whereas two friends are in the second row. L is sitting between O and P. M is just behind O. N is just behind L. There is nobody sitting behind K and P, who are sitting at the corners. Who among them are sitting in the first row?
1
P, L, N and K
2
K, L, P and M
3
K, L, O and P
4
M, N, L and P