Directions: Study the information given below carefully and answer the questions that follow.

Seven persons A, B, C, D, E, F, and G are sitting at some distance from each other. D is sitting 5 km west of A. G is sitting 8 km south of D, who is sitting 6 km east of F. E is sitting 10 km east of G. C is sitting exactly between G and E. B is sitting 3 km north of A.