Is there a bus or a truck in this picture?
Yes, there is a bus.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of    1
2     1  to the right of    0
3     2  to the right of    9
4     2  to the right of    4
5     4   to the left of    2
6     4  to the right of    8
7     4   to the left of    7
8     6               on    5
9     6   to the left of    8
10    7           behind    9
11    7  to the right of    9
12    7  to the right of    4
13    8  to the right of    6
14    8   to the left of    4
15    9   to the left of    2
16    9   to the left of    7
17    9      in front of    7
18    9  to the right of    0