(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.
Name the person who should change place with C such that he gets the third place from the north end.
