Four of the following five are alike in a certain way based on the given arrangement and thus form a group. Which is the one that does not belong to that group?

Study the following information carefully and answer the question given below: There are eight people I, J, K, L, X, Y, Z and A are living in a 8 floor Building on different floors from top to bottom (such as ground floor is numbered as 1 and top floor is numbered as 8) but not necessarily in the same order. I lives on an even-numbered floor but not on the floor numbered second or fourth. Only three floors are there between I and J. Only two people live between K and
X. Y lives on a floor above
L. There are equal numbers of floors between the floors on which X and J live and between the floors on which I and X live. A lives immediately below L’s floor. Z lives immediately below I’s floor.