Answer the questions based on the information given below. Seven persons stay in 7 different floors of a building such that no two persons stay in same floor. The floors are numbered 1 to 7 respectively from bottom to top. At least 4 persons stay between I and F. Odd number of persons stays below I, who stays on a prime numbered floor. Three persons stay between K and H such that K stays above H. J lives immediately above G. L lives on an even numbered floor. How many persons live between F and H?