Eight friends K, L, M, N, O, P, Q and R own lockers in a bank. All the lockers are placed one on top of the other. The lowermost locker is numbered as 1. Each person is allotted only one locker. R is allotted an odd-numbered locker below O. Only two persons have lockers between P and K. M is allotted an even-numbered locker above the locker of N, but not immediately above. Q has a locker on second above the locker of L. L doesn’t have the locker numbered 1 There are only two lockers between O and Q. O has been allotted locker no. 2. There is only one locker between K and O. Which person has been allotted locker no. 4?