Direction: Study the following information carefully and answer the given questions.
An uncertain number of people are sitting in a row facing north and are at an equal distance between them. The number of people sitting to the left of A is the same as to the right of H. G is sitting third to the right of D, who is sitting immediate right of A.
The number of people sitting between I and F is the same number of people sitting between F and B. H is sitting four places away from E, who is not an immediate neighbour of C. Only one person is sitting between D and I, who is sitting fourth from the left end. C is sitting exactly between F and B, who is sitting immediate left of H. Two people are sitting between G and F.

Who among the following is sitting at the extreme end?