In a gathering, seven members (A, B, C, D, E, F, G) are sitting in a row facing north. Only two people sit to the left of E. F sits to the immediate right of E. C sits to the immediate left of B. D is not sitting at the extreme end of the row. G sits at the extreme left end of the row. Neither A nor D is the immediate neighbour of the person placed exactly in the middle of the row. Find the person who sits at the extreme right end of the row.