Is there either a small truck or train?
No, there is a truck but it is large.
    src        edge_attr  dst
0     0   to the left of    1
1     1   to the left of    3
2     1  to the right of    0
3     1   to the left of    2
4     1   to the left of   14
5     1   to the left of   10
6     2   to the left of    3
7     2   to the left of   14
8     2   to the left of    5
9     2  to the right of    9
10    2  to the right of    1
11    3  to the right of    2
12    3  to the right of   13
13    3  to the right of    1
14    3   to the left of   14
15    4   to the left of    5
16    5  to the right of    4
17    5  to the right of    2
18    7  to the right of   11
19    7  to the right of    9
20    8   to the left of   10
21    8   to the left of   13
22    9  to the right of   12
23    9  to the right of   11
24    9   to the left of    2
25    9  to the right of   15
26    9   to the left of    7
27   10  to the right of    8
28   10  to the right of    1
29   10  to the right of   13
30   11  to the right of   15
31   11   to the left of    7
32   11   to the left of    9
33   11  to the right of   12
34   12   to the left of    9
35   12   to the left of   11
36   12  to the right of   15
37   13  to the right of    8
38   13   to the left of   10
39   13   to the left of    3
40   14               on   10
41   14  to the right of    2
42   14  to the right of    3
43   14  to the right of    1
44   15   to the left of   11
45   15   to the left of   12
46   15   to the left of    9