Are there either trucks or cars in this image?
Yes, there is a truck.
   src        edge_attr  dst
0    0   to the left of    7
1    0   to the left of    6
2    0  to the right of   12
3    5  to the right of   11
4    6  to the right of    0
5    6   to the left of    7
6    7  to the right of    0
7    7  to the right of    6
8   11   to the left of    5
9   12   to the left of    0