Seven people R, S, T, D, E, F and G are sitting around a circular table, facing the centre (but not necessarily in the same order). Only two people are sitting between S and G when counted from the right of S. Only two people are sitting between E and T when counted from the left of E. R is sitting second to the right of G. T is not an immediate neighbour of R. D is not an immediate neighbour of G. Who is sitting to the immediate left and to the immediate right of F, respectively?