(i). 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.
(ii). D who is to the immediate left of F is second to the right of C.
(iii). A is the second to the right of E, who is at one of the ends.
(iv). J is the immediate neighbour of A and B and third to the left of G.
(v). H is to the immediate left of D and third to the left of I.
If E and D, C and B, A and H and K and F interchange their positions, which of the following pairs of students is sitting at the ends ?