Are there both trucks and cars in this picture?
Yes, there are both a truck and cars.
    src        edge_attr  dst
0     0   to the left of    6
1     1  to the right of    8
2     1   to the left of    4
3     4  to the right of    1
4     4  to the right of    6
5     6               in    7
6     6  to the right of    8
7     6  to the right of    0
8     6   to the left of    4
9     8               in    7
10    8   to the left of    1
11    8   to the left of    6