Mathematics · Seating Arrangement

Eight friends A, B, C, D, E, F, G and H are sitting around a square table facing the centre in such a way that four of them sit at four corners of the square while four sit in the middle of each of the four sides. A sits second to the right of F. F sits in the middle of one of the sides. G, who is not an immediate neighbour of F, sits third to the right of A. Only three people sit between G and H. E sits second to the left of H. B is not an immediate neighbour of H. D sits second to the left of B. Who among the following is not sitting at the corner of the table?