Directions:- Study the following information carefully to answer the question given below.
Among six persons - K, L, M, N, O and P - each lives on a different floor of a building having six floors numbered one to six (the ground floor is numbered 1, the floor above it is numbered 2 and so on and the topmost floor is numbered 6). L lives on an even numbered floor. L lives on a floor immediately below K's floor and immediately above M's floor. P lives on a floor immediately above N's floor. P lives on an even numbered floor. O does not live on floor number 4.
On which floor does O live?