Eight friends H, I, J, K, L, M, N and O are sitting in a row facing north. All of them like different colours - Red, Pink, Orange, Green, Yellow, Black, Violet and Blue. There is only 1 person between J and one who likes Violet. N is neither an immediate neighbour of J nor he likes Green.H sits fourth to the left of the one who likes Violet but she does not like pink. The person who likes Black is sits third to the right of the one who likes Green and sits on the immediate right of H. The one who likes Green sits at one of the extreme ends of the row. I does not like Green. M is an immediate neighbour of both N and J. O sits at one of the extreme end of the row but he does not like green. The one who likes Blue sits second to the right of the one who likes Orange. The one who likes Black and Pink are immediate neighbours. L sits third to the left of J and likes yellow. There is only one person sitting between the one who likes yellow and black .
How many persons are there between I and N ?