Seven persons A, B, C, D, E, F and G are sitting in a straight line (not necessarily in the same order) facing north, only two persons sit between F and G, and G sits second to the left of B. D sits third to the left of C. E sits exactly between G and B, and B sits at the extreme right end of row. Who amongst the following sits exactly in the middle of the line?

A

A

B

C

C

E

D

G