Five friends S, R, K, G and M are sitting around a circular wooden table, facing towards the centre of the table. S is sitting to the right of R. G is sitting to the left of K. R is sitting between K and S. M is sitting to the left of G. Who is sitting between M and R?
Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster. EZU : GCY :: NHB : ?