Eight friends, A, B, C, D, E, F, G and H are sitting around a circle facing the centre. B is third to the right of A who is third to the right of C. F is second to the right of E who is not an immediate neighbour of B. D sits second to the left of H who sits second to the left of G.
Four of the following five are alike in certain way based on their positions in the given arrangement and so form a group. Which is the one that does not belong to the group?