Directions: Study the given information carefully and answer the question that follow: (1) 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. (2) D who is to the immediate left of F is second to the right of C. (3) A is second to the right of E, who is at one of the ends. (4) J is the immediate neighbour of A and B and third to the left of G. (5) H is to the immediate of D and third to the right 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?