Four of the following five are alike in a certain way and hence form a group. Which among the following one does not belong to the group?

Study the following information carefully and answer the below questions Seven boxes E, F, G, H, I, J, and K are kept one above another in a shelf but not necessarily in the same order. One of the shelves is vacant. The bottom-most shelf is numbered as 1 and the topmost shelf is numbered as 8. G’s shelf number is a multiple of 2. The number of boxes kept above the Box K is same as that of below the Box K. Box K is kept at an odd numbered shelf. Only one box is kept between K and H which is kept at even numbered shelf. Box F is adjacent to Box H. Box I is kept on an odd numbered shelf. Box I is not kept below the vacant shelf. The number of boxes kept between the Box G and F is same as the number of boxes kept between the Box F and J.