Study the given informations carefully and answer these questions given below:
(i) A, B, C, D, E, F and G are sitting on a wall and all of them are facing east
(ii) C is on the immediate right of D
(iii) B is at an extreme end and has E as his neighbour
(iv) G is between E and F
(v) D is sitting third from the south end
Which of the following pairs of people are sitting at the extreme ends?