Seven people, A, B, C, D, E, F and G are sitting in a straight row, facing north. A sits third to the left of D. D sits to the extreme right. Only two people sit between A and F. B is an immediate neighbour of F. Only one person sits between C and D. G is not an immediate neighbour of A. Who sits to the extreme left?

A

G

B

F

C

E

D

B