Are there any trucks in this picture?
No, there are no trucks.
    src        edge_attr  dst
0     0   to the left of   14
1     0  to the right of   10
2     0   to the left of    8
3     2   to the left of   14
4     3   to the left of   14
5     3  to the right of   10
6     4  to the right of   10
7     5  to the right of   10
8     5   to the left of   13
9     6   to the left of   14
10    7               on    1
11    7  to the right of   12
12    7  to the right of   10
13    8  to the right of    0
14    8   to the left of   14
15    9               on    1
16    9      in front of   12
17   10   to the left of    4
18   10   to the left of    3
19   10   to the left of    0
20   10   to the left of    7
21   10   to the left of   12
22   10   to the left of    5
23   12           behind    9
24   12   to the left of    7
25   12  to the right of   10
26   13  to the right of    5
27   13   to the left of   14
28   14  to the right of    3
29   14  to the right of    2
30   14  to the right of    6
31   14  to the right of    8
32   14  to the right of    0
33   14  to the right of   13