Read the following passage and solve the questions based on it.
All the roads of a city are straight and perpendicular or parallel to each other. Roads A, B, C, D and E are parallel to one another. Roads G, H, I, J, K, L and M are parallel to one another.
(i) Road A is 1 km east of road B
(ii) Road B is 0.5 km west of road C
(iii) Road D is 1 km west of road E
(iv) Road G is 0.5 km south of road H
(v) Road I is 1 km north of road J
(vi) Road K is 0.5 km north of road L
(vii) Road K is 1 km south of road M
Which is essentially true?