Do you see any trains or trucks?
Yes, there is a train.
    src        edge_attr  dst
0     0  to the right of    3
1     2  to the right of    9
2     2  to the right of    7
3     3   to the left of    5
4     3   to the left of    0
5     4               on    1
6     4   to the left of   11
7     4   to the left of   10
8     4  to the right of   13
9     4   to the left of   15
10    4   to the left of   14
11    4  to the right of    7
12    5  to the right of    3
13    6  to the right of   12
14    7               at    8
15    7   to the left of   13
16    7   to the left of    4
17    7   to the left of    2
18    9   to the left of    2
19   10   to the left of   11
20   10  to the right of    4
21   10  to the right of   13
22   11  to the right of   10
23   11  to the right of   13
24   11  to the right of    4
25   11  to the right of   14
26   12  on the front of    7
27   12   to the left of    6
28   13  to the right of    7
29   13   to the left of   11
30   13   to the left of   10
31   13   to the left of    4
32   13   to the left of   14
33   13   to the left of   15
34   13               on    1
35   14  to the right of    4
36   14               on    1
37   14   to the left of   11
38   14  to the right of   13
39   15  to the right of    4
40   15               on    1
41   15  to the right of   13