Are there both trucks and cars in this image?
No, there is a truck but no cars.
   src        edge_attr  dst
0    0             near    3
1    0            above    2
2    0   to the left of    4
3    0             near    6
4    2            under    0
5    3             near    0
6    4  to the right of    0
7    6             near    0