Eleven students A, B, C, D, E, F, G, H, I J and K are sitting in the first row of the class facing the teacher.<br /> D who is the immediate left of F and second to the right of C.<br /> A is second to the right of E, who is at one of the ends.<br /> J is the immediate neighbour of A and B and third to the left of G.<br /> H is to the immediate left of D and third to the right of I.<br /> If E and D, C and B, A and H and K and F interchange their positions, Who is sitting in the middle of the row?