14.
Eight pencil boxes of different brands B, D, E, H, J, L, N and P are kept one above the other but not necessarily in the same order. One is fourth from the top and immediately below E. P is placed at the topmost position and immediately above B. Only one box is there between H and J. J is always placed at one of the positions below H. L is placed immediately below N. How many boxes are there between J and D?